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{"id":17987,"date":"2019-12-12T11:00:01","date_gmt":"2019-12-12T16:00:01","guid":{"rendered":"https:\/\/circulatingnow.nlm.nih.gov\/?p=17987"},"modified":"2024-09-26T13:21:47","modified_gmt":"2024-09-26T17:21:47","slug":"leather-bindings-conservation-research-on-animal-husbandry","status":"publish","type":"post","link":"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/","title":{"rendered":"Leather Bindings: Conservation Research on Animal Husbandry"},"content":{"rendered":"<p><em>By Kristi Wright and Holly Herro ~<\/em><\/p>\n<figure id=\"attachment_17992\" aria-describedby=\"caption-attachment-17992\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17992\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/cows\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?fit=1343%2C1009&ssl=1\" data-orig-size=\"1343,1009\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"cows\" data-image-description=\"\" data-image-caption=\"<p>Devon cattle graze in a traditional setting<br \/>\nCourtesy William Minter<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?fit=300%2C225&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?fit=840%2C631&ssl=1\" class=\"size-medium wp-image-17992\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?resize=300%2C225&ssl=1\" alt=\"Two cows eat hay in a village enclosure.\" width=\"300\" height=\"225\" srcset=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?resize=300%2C225&ssl=1 300w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?resize=1024%2C769&ssl=1 1024w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?resize=768%2C577&ssl=1 768w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?resize=840%2C631&ssl=1 840w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/cows.jpg?w=1343&ssl=1 1343w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-17992\" class=\"wp-caption-text\">Devon cattle graze in a traditional setting<br \/><em>Courtesy William Minter<\/em><\/figcaption><\/figure>\n<p>The <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/08\/27\/leather-bindings-conservation-research-on-tanning\/\">Leather Discussion Group<\/a>, an ongoing cross-institutional research collaboration, is conducting research to determine the best products available to suit book conservation needs and to communicate our requirements to leather manufacturers.<\/p>\n<p>In 2017, we sent a survey to a group of conservators and tanners to <a href=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/08\/27\/leather-bindings-conservation-research-on-tanning\/\">gather data on leather practices<\/a>. We also embarked on an exploration of previous leather studies in both Europe and the United States that yielded information dating back to the first formal leather research in the 1840s. Ongoing conversations with leather chemists, tanners, and conservators in other disciplines continue to provide valuable feedback.<\/p>\n<p>Most recently, the group has started to consider the potential impact of animal husbandry on skin quality.\u00a0 For example, changes in animal husbandry driven by increased worldwide meat consumption may also affect the properties of the leather, a byproduct of that industry. The group was thrilled to be able to consult Colonial Williamsburg Foundation Curator of Zooarchaelology Emeritus Joanne Bowen and Rare Breeds Manager Elaine Shirley due to their expertise on this topic.<\/p>\n<p>This year we presented posters at the 2019 <a href=\"https:\/\/www.culturalheritage.org\/events\/annual-meeting\/past-meetings\/47th-annual-meeting-new-england\">AIC Annual Meeting in Uncasville, Connecticut<\/a> and the <a href=\"https:\/\/leather2019.sciencesconf.org\/\">International Council of Museums Committee for Conservation (ICOM-CC) Leather Working Group interim meeting in Paris, France<\/a>.<\/p>\n<figure id=\"attachment_17993\" aria-describedby=\"caption-attachment-17993\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17993\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/graph-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?fit=743%2C688&ssl=1\" data-orig-size=\"743,688\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"graph\" data-image-description=\"<p>In the 16th to 18th century there were less than 10 breeds and non specialized for milk. In the 19th century milk became a specialization and there were about 25 breeds. The 20th century saw an increase to nearly 60 breeds, most for meat.<\/p>\n\" data-image-caption=\"<p>Number & Specialization of Cattle breeds in the US, 16th – 21st Century <\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?fit=300%2C278&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?fit=743%2C688&ssl=1\" class=\"wp-image-17993 size-medium\" title=\"A Sharp Rise in Breeds and Specialization for Milk in the 19th Century\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?resize=300%2C278&ssl=1\" alt=\"A bar graph showing a dramatic rise in specialization of cattle breeds in the 19th and 20th centuries.\" width=\"300\" height=\"278\" srcset=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?resize=300%2C278&ssl=1 300w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/graph.png?w=743&ssl=1 743w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-17993\" class=\"wp-caption-text\">Number & Specialization of Cattle breeds in the US, 16th\u201321st Century<\/figcaption><\/figure>\n<p>The research explores the evolution of North American animal husbandry from the 17th century to the present, focusing on changes in breed choices, diet regimens, environmental conditions, and abattoir trends that could have an impact on leather quality.<\/p>\n<p>Beginning in the 1800s, a shift from multi-purpose, hardy, and adaptable animals to highly specialized breeds that excelled at a particular purpose\u2014such as dairy, meat, or wool production\u2014was accompanied by changes in diets and environmental conditions. Early, multi-purpose, animals foraged freely in the woods, and fences were intended to keep them <em>out<\/em> of farmers\u2019 fields rather than <em>in <\/em>a pasture.\u00a0 These changes took place as human populations increased and many farmers\u2019 goals transitioned to optimizing animal products for sale.\u00a0 The resulting practice of penning livestock, first in fenced pastures and later in confined stalls, changed animals\u2019 diets in notable ways. A reduction in nutrient uptake from traditional forage led to the need for supplemental feed in the form of corn, other grains, and the leafy tops of root crops.\u00a0 Specialized breeds require increasingly specialized diets and many now cannot survive on forage alone.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17994\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/plants\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?fit=1373%2C391&ssl=1\" data-orig-size=\"1373,391\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"plants\" data-image-description=\"<p>Some Plants Introduced to North America by Colonists<br \/>\nGrasses<br \/>\nEarly hairgrass (aira praecox)<br \/>\nVelvet grass (holcus lanatus)<br \/>\nPerennial Ryegrass (lolium perenne)<br \/>\nTimothy-grass (phleum pratense)<br \/>\nCanada bluegrass (poa compressa)<br \/>\nAnnual bluegrass (poa annua)<br \/>\nKentucky Bluegrass (poa praetensis)<br \/>\nQuackgrass ( elytrigia repens)<br \/>\nHerbs\/Weeds<br \/>\nBurdock (arctium spp.)<br \/>\nWormwood (artemisia vulgaris)<br \/>\nDandelion (taraxacum officinale)<br \/>\nSow thistles (sonchus spp.)<br \/>\nYellow Toadflax (linaria vulgaris)<br \/>\nRed & White Clover ( rifolium repens)<br \/>\nTansy (tanacetum vulgare)<br \/>\nCanada Thistle ( cirsium arvense)<\/p>\n\" data-image-caption=\"<p>Some plants introduced to North America by Colonists<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?fit=300%2C85&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?fit=840%2C240&ssl=1\" class=\"aligncenter wp-image-17994 size-large\" title=\"Some Plants Introduced to North America by Colonists\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?resize=840%2C240&ssl=1\" alt=\"A list of eight grasses and eight herbs and weeds.\" width=\"840\" height=\"240\" srcset=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?resize=1024%2C292&ssl=1 1024w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?resize=300%2C85&ssl=1 300w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?resize=768%2C219&ssl=1 768w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?resize=840%2C239&ssl=1 840w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/plants.jpg?w=1373&ssl=1 1373w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/a><\/p>\n<figure id=\"attachment_17995\" aria-describedby=\"caption-attachment-17995\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17995\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/skin\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?fit=1428%2C1071&ssl=1\" data-orig-size=\"1428,1071\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}\" data-image-title=\"skin\" data-image-description=\"\" data-image-caption=\"<p>A salted skin awaits transfer to the tanner. Courtesy William Minter<\/p>\n\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?fit=300%2C225&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?fit=840%2C630&ssl=1\" class=\"wp-image-17995 size-medium\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?resize=300%2C225&ssl=1\" alt=\"A sheep skin lies on a pallet fleece down covered in salt.\" width=\"300\" height=\"225\" srcset=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?resize=300%2C225&ssl=1 300w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?resize=1024%2C768&ssl=1 1024w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?resize=768%2C576&ssl=1 768w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?resize=840%2C630&ssl=1 840w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/skin.jpg?w=1428&ssl=1 1428w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-17995\" class=\"wp-caption-text\">A salted skin awaits transfer to the tanner. <em>Courtesy William Minter<\/em><\/figcaption><\/figure>\n<p>Multi-purpose livestock were often used around the farm, so farmers typically waited until animals were older before ultimately slaughtering them for meat. Modern animals, which are typically raised for a specific purpose, are often younger when they are slaughtered.\u00a0 Early butchers were close to farmers and tanners but now hides are sometimes shipped long distances, which can affect their preservation.<\/p>\n<p>How do these changes impact the skin\u2019s composition?\u00a0 Do any of them ultimately affect the leather quality?\u00a0 The group is currently undertaking research into these topics with a comparative analysis of both historic bookbinding leather and leather from traditional and modern breeds with known diets.<\/p>\n<figure id=\"attachment_17996\" aria-describedby=\"caption-attachment-17996\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"17996\" data-permalink=\"https:\/\/circulatingnow.nlm.nih.gov\/2019\/12\/12\/leather-bindings-conservation-research-on-animal-husbandry\/slide1\/\" data-orig-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?fit=1527%2C1200&ssl=1\" data-orig-size=\"1527,1200\" data-comments-opened=\"1\" data-image-meta=\"{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"1"}\" data-image-title=\"Changes in North American Animal Husbandry and its impact on bookbinding leather\" data-image-description=\"<p>This poster explores the evolution of North American animal husbandry from the 17th century to the present and the potential impact of breed choices, diet regimens, environmental conditions and abattoir trends on leather quality.<\/p>\n\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?fit=300%2C236&ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?fit=840%2C660&ssl=1\" class=\"wp-image-17996 size-medium\" title=\"Changes in North American Animal Husbandry and its impact on Bookbinding Leather\" src=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?resize=300%2C236&ssl=1\" alt=\"An informational poster with headings: breed specialization, environment and diet, abattoir trends, skin and leather evaluaiotn, and georeferenced database.\" width=\"300\" height=\"236\" srcset=\"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?resize=300%2C236&ssl=1 300w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?resize=1024%2C805&ssl=1 1024w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?resize=768%2C604&ssl=1 768w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?resize=840%2C660&ssl=1 840w, https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/Slide1.jpg?w=1527&ssl=1 1527w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-17996\" class=\"wp-caption-text\"><em>Changes in North American Animal Husbandry and Its Impact on Bookbinding Leather<\/em>, poster presentation by the authors at the NLM Data Science Open House, August 27, 2019<\/figcaption><\/figure>\n<p>Acquiring a better understanding of factors affecting leather quality will will improve our knowledge about and ability to care for and preserve leather bound materials at the National Library of Medicine.<\/p>\n<p><em>Read publications on conservation topics by Holly Herro and Kristi Wright in the National Library of Medicine’s free full-text archive of biomedical and life sciences journal literature <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/?term=herro,+holly%5BAuthor%5D\">PubMed Central<\/a>.<\/em><\/p>\n<h3><\/h3>\n<p><em>Holly Herro is Senior Conservator for the History of Medicine Division at the National Library of Medicine.<\/em><\/p>\n<p>Kristi Wright is a contract conservator <em>for the Conservation Program of the History of Medicine Division at the National Library of Medicine and principal of Wright Conservation and Framing.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>By Kristi Wright and Holly Herro ~ The Leather Discussion Group, an ongoing cross-institutional research collaboration, is conducting research to<\/p>\n","protected":false},"author":19605840,"featured_media":17991,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[12763,103,347145303],"tags":[490,23993,22379,3345,668],"class_list":["post-17987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-collections","category-news","category-rare-books-journals","tag-animals","tag-conservation","tag-data","tag-preservation","tag-research"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/circulatingnow.nlm.nih.gov\/wp-content\/uploads\/2019\/11\/9413026_507_feature.jpg?fit=900%2C400&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p3xcDk-4G7","jetpack-related-posts":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/17987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/users\/19605840"}],"replies":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/comments?post=17987"}],"version-history":[{"count":15,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/17987\/revisions"}],"predecessor-version":[{"id":34530,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/posts\/17987\/revisions\/34530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/media\/17991"}],"wp:attachment":[{"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/media?parent=17987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/categories?post=17987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/circulatingnow.nlm.nih.gov\/wp-json\/wp\/v2\/tags?post=17987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} 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