1. Use of Pup Counts in Indexing Population Changes in Pinnipeds
2. High Variability for Control-Region Sequences in a Marine Mammal: Implications for Conservation and Biogeography of Steller Sea Lions (Eumetopias jubatus)
3. D. G. Calkins, and K. W. Pitcher. 1982 . Population assessment, ecology and trophic relationships of Steller sea lions in the Gulf of Alaska . Pages447 -546inEnvironmental assessment of the Alaskan continental shelf, U. S. Department of Commerce and U. S. Department of Interior, Final Reports of Principal Investigators, Volume 19.
4. D. G. Calkins, and K. W. Pitcher. 1996 . Steller sea lion movements, emigration and survival . Pages34 -40inSteller sea lion recovery investigations in Alaska, 1992-1994. Alaska Department of Fish and Game, Division of Wildlife Conservation, Wildlife Technical Bulletin No. 13.