1. A species survival plan for the Siberian (Amur) tiger (Panthera tigris altaica) in North America. Foosem T.J. and U.S. Seal., 1982, American Association of Zoological Parks Aquariums, Unpublished report, Wheeling, WV.


2. Project tiger; the reserves, the tigers and their future. Panwar, H.S., R.L. Tilson and U.S. Seal, eds., Noyes, 1987, Tigers of the world: the biology, biopolitics, management, and conservation of an endangered species : (pp. 110-117), Park Ridge, New Jersey