- An Illustrated Guide to Endangered or Threatened Species in Kansas by Suzanne L. Collins, Jerry Horak, et all 1995-10
- Endangered, Threatened & Rare Fauna of North Carolina PT. 3: A Re-Evaluation of the Birds (Occasional Papers of the North Carolina Biological Survey, 1) by James F. Parnell, David S. Lee, 1990-07
- Performance report as required by the Endangered Species Program, Texas: Grant no. E-1-11 : endangered and threatened species conservation : project WER48 ... the Trans-Pecos ecoregion of western Texas by Bonnie Reynolds McKinney, 1999
- The threatened and endangered species of Vermont by Martha M Kotter, 1992
- Endangered and Threatened Species in West Virginia. by Jr., Albert R. (ed) Buckelew, 1990
- Threatened Birds of the World: The Official Source for Birds on the Iucn Red List
- Globally Threatened Birds in Europe by Council of Europe, 1996-11
- Birds to Watch: The World List of Threatened Birds by NJ Colla, 1995-07-17
- Key Forests for Threatened Birds in Africa (ICBP Monograph,) by N. J. Collar, 1988-01
- Red Data Birds in Britain: Action for Rare, Threatened and Important Species (T & AD Poyser)
- Saving Asia's Threatened Birds: a Guide for Government and civil society.(Book Review): An article from: Endangered Species Update by Laura J. Howard, 2004-04-01
- Key Areas for Threatened Birds in the Neotropics (Birdlife Conservation Series) by DC Wege, AJ Long, 1995-07-01
- Threatened Swallowtail Butterflies of the World: The Iucn Red Data Book by N. M. Collins, M. G. Morris, 1985-01
- Species threatened with extinction: province; Manitoba adds bird, plants to list.(City): An article from: Winnipeg Free Press by Gale Reference Team, 2007-06-12
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