Ivory (English Wikipedia)

"Identification Guide for Ivory and Ivory Substitutes" (PDF). Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Retrieved 30 April 2013.
"Asian Elephant". Cites.org. Retrieved 2017-11-02.

cnn.com (Global: 36^th place; English: 26^th place)

Jack Guy (5 January 2021). "Elephant ivory still being sold on eBay despite 12-year ban". CNN. Retrieved 2021-07-31.
Lara Farrar (2005-04-26). "Could plant ivory save elephants?". CNN. Retrieved 2017-11-03.

coloradoelkbreeders.com (Global: low place; English: low place)

"Elk Facts". Colorado Elk Breeders. Archived from the original on 2015-09-29. Retrieved 2017-11-03.

connecticuthistory.org (Global: low place; English: low place)

Ivory Cutting: The Rise and Decline of a Connecticut Industry

conservativeeurope.com (Global: low place; English: low place)

Foster, Jacqueline; McClarkin, Emma; Flack, John (18 July 2018). "Foster, McClarkin, Flack: "4 things we've done to improve animal welfare"". Conservatives in the European Parliament. Archived from the original on 2 August 2018. Retrieved 2 August 2018.

doi.org (Global: 2^nd place; English: 2^nd place)

doi.org

Albéric, M.; Gourrier, A.; Wagermaier, W.; Fratzl, P.; Reiche, I. (2018). "The three-dimensional arrangement of the mineralized collagen fibers in elephant ivory and its relation to mechanical and optical properties". Acta Biomaterialia. 72: 342–351. doi:10.1016/j.actbio.2018.02.016. PMID 29477454. S2CID 4701276.
Fischer, Dieter; Parks, Sarah; Mannhart, Jochen (2019). "Bio-Inspired Synthetic Ivory as a Sustainable Material for Piano Keys". Sustainability. 11 (23): 6538. arXiv:1912.06481. Bibcode:2019Sust...11.6538F. doi:10.3390/su11236538.
Zhou, Zhao-Min (2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.
Singh, Rina Rani; Goyal, Surendra Prakash; Khanna, Param Pal; Mukherjee, Pulok Kumar; Sukumar, Raman (2006). "Using morphometric and analytical techniques to characterize elephant ivory". Forensic Science International. 162 (1–3): 144–151. doi:10.1016/j.forsciint.2006.06.028. PMID 16891073.
Nijman, Vincent; Lee, Paige Kei; Abdullah, Abdullah; Aji Duranegara Payuse, I Nyoman; Ching, Or Oi; Sintya, Erly; Tristiana Sukmadewi, Desak Ketut; Chavez, Jessica (July 2026). "Native American ivory carving in Bali and the international back-and-forth trade in walrus ivory and bones between Indonesia and the USA". Biodiversity and Conservation. 35 (9): 222. Bibcode:2026BiCon..35..222N. doi:10.1007/s10531-026-03430-9. ISSN 0960-3115.
Vollrath, Fritz; Mi, Ruixin; Shah, Darshil U. (January 2018). "Ivory as an Important Model Bio-composite". Curator: The Museum Journal. 61 (1): 95–110. doi:10.1111/cura.12236. ISSN 0011-3069.
Cui, F.Z.; Wen, H.B.; Zhang, H.B.; Li, H.D.; Liu, D.C. (December 1994). "Anisotropic indentation morphology and hardness of natural ivory". Materials Science and Engineering: C. 2 (1–2): 87–91. doi:10.1016/0928-4931(94)90035-3. ISSN 0928-4931.
Hauenstein, Severin; Kshatriya, Mrigesh; Blanc, Julian; Dormann, Carsten F.; Beale, Colin M. (2019). "African elephant poaching rates correlate with local poverty, national corruption and global ivory price". Nature Communications. 10 (1): 2242. Bibcode:2019NatCo..10.2242H. doi:10.1038/s41467-019-09993-2. PMC 6538616. PMID 31138804.
Fischer, Dieter; Parks, Sarah; Mannhart, Jochen (13 December 2019). "Bio-Inspired Synthetic Ivory as a Sustainable Material for Piano Keys". Sustainability. 11 (23). Cornwell University: 6538. arXiv:1912.06481. Bibcode:2019Sust...11.6538F. doi:10.3390/su11236538.
Zhou, Zhao-Min (5 March 2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.

dx.doi.org

Cui, F.Z.; Wen, H.B.; Zhang, H.B.; Li, H.D.; Liu, D.C. (December 1994). "Anisotropic indentation morphology and hardness of natural ivory". Materials Science and Engineering: C. 2 (1–2): 87–91. doi:10.1016/0928-4931(94)90035-3. ISSN 0928-4931.

ebayinc.com (Global: low place; English: low place)

"eBay To Institute Global Ban on Ivory Sales". www.ebayinc.com. 2008-10-20. Retrieved 2021-07-31.

economist.com (Global: 331^st place; English: 272^nd place)

"Campaigners fear for elephants and their own credibility". The Economist. July 2008.

ecoverdeconsulting.com (Global: low place; English: low place)

"Home". EcoVerde. Retrieved 2026-08-16.

eia-international.org (Global: low place; English: low place)

EIA (1989). "A System of Extinction – the African Elephant Disaster". Environmental Investigation Agency, London.

elsevier.com (Global: 365^th place; English: 372^nd place)

linkinghub.elsevier.com

Albéric, M.; Gourrier, A.; Wagermaier, W.; Fratzl, P.; Reiche, I. (2018). "The three-dimensional arrangement of the mineralized collagen fibers in elephant ivory and its relation to mechanical and optical properties". Acta Biomaterialia. 72: 342–351. doi:10.1016/j.actbio.2018.02.016. PMID 29477454. S2CID 4701276.
Singh, Rina Rani; Goyal, Surendra Prakash; Khanna, Param Pal; Mukherjee, Pulok Kumar; Sukumar, Raman (2006). "Using morphometric and analytical techniques to characterize elephant ivory". Forensic Science International. 162 (1–3): 144–151. doi:10.1016/j.forsciint.2006.06.028. PMID 16891073.

fws.gov (Global: 2,032^nd place; English: 1,082^nd place)

U.S. Fish and Wildlife Service Forensics Lab. "Ivory Identification Guide – U.S. Fish and Wildlife Service Forensics Laboratory". fws.gov. Archived from the original on 2017-06-23. Retrieved 2017-11-03.
Walrus ivory dos and don'ts (PDF) (pamphlet), US Fish and Wildlife Service, archived from the original (PDF) on 2017-05-26, retrieved 2017-06-19

hsi.org (Global: low place; English: low place)

"HSI Ivory trade timeline" (PDF). Hsi.org. Archived from the original (PDF) on 2019-02-14. Retrieved 2017-11-03.

jtef.jp (Global: low place; English: low place)

"Elephant poaching? None of our business' Influence of Japanese ivory market on illegal transboundary ivory trade" (PDF). Japan Tiger and Elephant Fund (JTEF). March 2010. Archived from the original (PDF) on 2022-05-16. Retrieved 2011-12-03.

mdpi.com (Global: 1,887^th place; English: 3,593^rd place)

Bio-Inspired Synthetic Ivory as a Sustainable Material

megalithic.co.uk (Global: 8,511^th place; English: 6,400^th place)

Hogan, C. M. (2007). "Silk Road, North China". Megalithic.co.uk. Retrieved 2017-11-03.

mt.gov (Global: 5,013^th place; English: 2,529^th place)

fwp.mt.gov

Horowitz, Ellen (September–October 2012). "Rocky Mountain Ivory" (PDF). Montana Outdoors. pp. 16–19.

nationalforests.org (Global: low place; English: low place)

"Ten Things That Might Surprise You About Elk". www.nationalforests.org. Retrieved 2023-11-03.

nbcnews.com (Global: 156^th place; English: 101^st place)

"George Washington's false teeth not wooden". Associated Press. Retrieved 2022-03-14.
Strazjuso, Jason; Caesy, Michael; Foreman, William (2010-05-15). "Ivory Trade threatens African Elephant". NBC News. Retrieved 2022-03-14.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Albéric, M.; Gourrier, A.; Wagermaier, W.; Fratzl, P.; Reiche, I. (2018). "The three-dimensional arrangement of the mineralized collagen fibers in elephant ivory and its relation to mechanical and optical properties". Acta Biomaterialia. 72: 342–351. doi:10.1016/j.actbio.2018.02.016. PMID 29477454. S2CID 4701276.
Zhou, Zhao-Min (2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.
Singh, Rina Rani; Goyal, Surendra Prakash; Khanna, Param Pal; Mukherjee, Pulok Kumar; Sukumar, Raman (2006). "Using morphometric and analytical techniques to characterize elephant ivory". Forensic Science International. 162 (1–3): 144–151. doi:10.1016/j.forsciint.2006.06.028. PMID 16891073.
Hauenstein, Severin; Kshatriya, Mrigesh; Blanc, Julian; Dormann, Carsten F.; Beale, Colin M. (2019). "African elephant poaching rates correlate with local poverty, national corruption and global ivory price". Nature Communications. 10 (1): 2242. Bibcode:2019NatCo..10.2242H. doi:10.1038/s41467-019-09993-2. PMC 6538616. PMID 31138804.
Zhou, Zhao-Min (5 March 2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.

ncbi.nlm.nih.gov

Hauenstein, Severin; Kshatriya, Mrigesh; Blanc, Julian; Dormann, Carsten F.; Beale, Colin M. (2019). "African elephant poaching rates correlate with local poverty, national corruption and global ivory price". Nature Communications. 10 (1): 2242. Bibcode:2019NatCo..10.2242H. doi:10.1038/s41467-019-09993-2. PMC 6538616. PMID 31138804.

npr.org (Global: 114^th place; English: 75^th place)

"Lifting the Ivory Ban Called Premature". NPR. 2002-10-31. Retrieved 2013-06-24.

nytimes.com (Global: 7^th place; English: 7^th place)

Kramer, Andrew E. (2008-03-25). "Trade in mammoth ivory, helped by global thaw, flourishes in Russia". New York Times. Retrieved 2017-11-03.

phys.org (Global: 1,595^th place; English: 1,363^rd place)

American Chemical Society (2018-01-24). "Lab-grown horns and tusks could stop poaching—or not". phys.org.
"Lab-grown horns and tusks could stop poaching—or not". phys.org. 24 January 2018. Retrieved 19 June 2021.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Albéric, M.; Gourrier, A.; Wagermaier, W.; Fratzl, P.; Reiche, I. (2018). "The three-dimensional arrangement of the mineralized collagen fibers in elephant ivory and its relation to mechanical and optical properties". Acta Biomaterialia. 72: 342–351. doi:10.1016/j.actbio.2018.02.016. PMID 29477454. S2CID 4701276.
Zhou, Zhao-Min (2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.
Zhou, Zhao-Min (5 March 2014). "Synthetic ivory fails to stop illegal trade". Nature. 507 (7490): 40. doi:10.1038/507040a. PMID 24598629. S2CID 12301652.

smithsonianmag.com (Global: 663^rd place; English: 431^st place)

Mushegian, Sasha (2017-05-10). "Appalled by the Illegal Trade in Elephant Ivory, a Biologist Decided to Make His Own". Smithsonian Magazine.
"Appalled by the Illegal Trade in Elephant Ivory, a Biologist Decided to Make His Own". Smithsonian Magazine. 10 May 2017. Retrieved 19 June 2021.

springer.com (Global: 182^nd place; English: 172^nd place)

link.springer.com

Nijman, Vincent; Lee, Paige Kei; Abdullah, Abdullah; Aji Duranegara Payuse, I Nyoman; Ching, Or Oi; Sintya, Erly; Tristiana Sukmadewi, Desak Ketut; Chavez, Jessica (July 2026). "Native American ivory carving in Bali and the international back-and-forth trade in walrus ivory and bones between Indonesia and the USA". Biodiversity and Conservation. 35 (9): 222. Bibcode:2026BiCon..35..222N. doi:10.1007/s10531-026-03430-9. ISSN 0960-3115.

thedodo.com (Global: low place; English: low place)

Armstrong, Franette (2014-07-30). "The Truth About Tusks". The Dodo.

theguardian.com (Global: 16^th place; English: 11^th place)

Ryan, F. (26 September 2015). "China and US agree on ivory ban in bid to end illegal trade globally". The Guardian. Retrieved 2 November 2017.
"事实上，大象已经濒临灭绝" [Elephants on the Path of Extinction: The facts]. The Guardian (in Chinese). 8 September 2016. Retrieved 3 November 2017.
Isabel Hilton (9 September 2016). "Why the Guardian is publishing its elephant reporting in Chinese". The Guardian. Retrieved 3 November 2017.

traffic.org (Global: low place; English: low place)

"Ivory sales". Traffic. 2008-10-28. Retrieved 2017-11-03.

washingtonpost.com (Global: 35^th place; English: 24^th place)

Kaufman, Marc (2007-02-27). "Increased Demand for Ivory Threatens Elephant Survival". Washington Post. Retrieved 2017-11-03.

web.archive.org (Global: 1^st place; English: 1^st place)

U.S. Fish and Wildlife Service Forensics Lab. "Ivory Identification Guide – U.S. Fish and Wildlife Service Forensics Laboratory". fws.gov. Archived from the original on 2017-06-23. Retrieved 2017-11-03.
"Elk Facts". Colorado Elk Breeders. Archived from the original on 2015-09-29. Retrieved 2017-11-03.
"HSI Ivory trade timeline" (PDF). Hsi.org. Archived from the original (PDF) on 2019-02-14. Retrieved 2017-11-03.
"Elephant poaching? None of our business' Influence of Japanese ivory market on illegal transboundary ivory trade" (PDF). Japan Tiger and Elephant Fund (JTEF). March 2010. Archived from the original (PDF) on 2022-05-16. Retrieved 2011-12-03.
"African countries set to lock horns over ivory". Bt.com.bn. 2007-05-31. Archived from the original on 2016-08-21. Retrieved 2017-11-03.
Foster, Jacqueline; McClarkin, Emma; Flack, John (18 July 2018). "Foster, McClarkin, Flack: "4 things we've done to improve animal welfare"". Conservatives in the European Parliament. Archived from the original on 2 August 2018. Retrieved 2 August 2018.
Walrus ivory dos and don'ts (PDF) (pamphlet), US Fish and Wildlife Service, archived from the original (PDF) on 2017-05-26, retrieved 2017-06-19

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Nijman, Vincent; Lee, Paige Kei; Abdullah, Abdullah; Aji Duranegara Payuse, I Nyoman; Ching, Or Oi; Sintya, Erly; Tristiana Sukmadewi, Desak Ketut; Chavez, Jessica (July 2026). "Native American ivory carving in Bali and the international back-and-forth trade in walrus ivory and bones between Indonesia and the USA". Biodiversity and Conservation. 35 (9): 222. Bibcode:2026BiCon..35..222N. doi:10.1007/s10531-026-03430-9. ISSN 0960-3115.
Vollrath, Fritz; Mi, Ruixin; Shah, Darshil U. (January 2018). "Ivory as an Important Model Bio-composite". Curator: The Museum Journal. 61 (1): 95–110. doi:10.1111/cura.12236. ISSN 0011-3069.
Cui, F.Z.; Wen, H.B.; Zhang, H.B.; Li, H.D.; Liu, D.C. (December 1994). "Anisotropic indentation morphology and hardness of natural ivory". Materials Science and Engineering: C. 2 (1–2): 87–91. doi:10.1016/0928-4931(94)90035-3. ISSN 0928-4931.

worldwildlife.org (Global: 2,127^th place; English: 1,678^th place)

"WWF Wildlife Trade – elephant ivory FAQs". World Wildlife Fund. Retrieved 2017-11-03.

Ivory (English Wikipedia)

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adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

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doi.org (Global: 2^nd place; English: 2^nd place)

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