Below is a listing of publications on California condors that I have published as author or co-author. PDFs are available for most of them, if you contact me.
Carrier, W. D., R. D. Mallette, S. R. Wilbur, and J. C. Borneman. (1972). "California condor surveys, 1971." California Fish and Game 58(4): 327-328.
Kiff, L. F., D. B. Peakall, and S. R. Wilbur. (1979). "Recent changes in California condor eggshells." Condor 81(2): 166-172.
Kiff, L. F., D. B. Peakall, M. L. Morrison, and S. R. Wilbur. (1983). "Eggshell thickness and DDE residue levels in vulture eggs. Pp. 440-458 in: S. R. Wilbur and J. A. Jackson, Vulture biology and management. Berkeley, California: University of California Press.
Mallette, R. D., S. R. Wilbur, W. D. Carrier, and J. C. Borneman. (1972). "California condor survey, 1970." California Fish and Game 58(1): 67-68.
Mallette, R. D., S. R. Wilbur, W. D. Carrier, and J. C. Borneman. (1973). "California condor survey, 1972." California Fish and Game 59(4): 317-318.
Pattee, O. H. and S. R. Wilbur (1989). "Turkey vulture and California condor." Proceedings of the Western Raptor Management Symposium and Workshop. B. G. Pendleton, editor. Washington, D. C., National Wildlife Federation: 61-65.
Wiemeyer, S. N., A. J. Krynitsky and S. R. Wilbur. (1983). "Environmental contaminants in tissues, foods, and feces of California condors." Pp. 427-439 in: S. R. Wilbur and J. A. Jackson, Vulture biology and management. Berkeley, California: University of California Press.
Wilbur, S. R. (1971). "The condor's place." Western Tanager (Los Angeles Audubon Society) 37(11): 1-2.
Wilbur, S. R. (1972). Food resources of the California condor. U. S. Fish and Wildlife Service. Ojai, California: 17 pages.
Wilbur, S. R. (1973). "The California condor in the Pacific Northwest." Auk 90(1): 196-198.
Wilbur, S. R. (1974). "California condor specimens in collections." Wilson Bulletin 86(1): 71-72.
Wilbur, S. R. (1974). "Future of the condor: recovery or extinction?" Field Museum of Natural History Bulletin 45(9): 3-6.
Wilbur, S. R. (1975). "California condor plumage and molt as field study aids." California Fish and Game 61(3): 144-148.
Wilbur, S. R. (1975). "Recovery planning for the California condor." Outdoor California 36(4): 10-11.
Wilbur, S. R. (1976). "Condor: a doomed species?" National Parks and Conservation Magazine 50(2): 17-19.
Wilbur, S. R. (1976). "Status of the California condor, 1972-1975." American Birds 30(4): 789-790.
Wilbur, S. R. (1976). "Are there condors in our future?" Audubon Imprint (Santa Monica Bay Audubon Society) 1(2): 1-2, 5.
Wilbur, S. R. (1976). "The California condor recovery plan." Cal-Neva Wildlife Transactions, 1976, Fresno, California 1976: 45-47.
Wilbur, S. R. (1977). Planning for the future survival of the California condor. The California condor - 1977. P. P. Schaeffer and S. M. Ehlers, editors. Tiburon, California, George Whittel Education Center, National Audubon Society: 23-30.
Wilbur, S. R. (1978). The California condor, 1966-76: a look at its past and future. North American Fauna Number 72. Washington, D. C., U. S. Fish and Wildlife Service.
Wilbur, S. R. (1978). "Volunteer participation in California condor surveys." Wildlife Society Bulletin 6(3): 157-159.
Wilbur, S. R. (1978). Supplemental feeding of California condors. Endangered birds: management techniques for threatened species. S. A. Temple, editor. Madison, Wisconsin, University of Wisconsin Press: 135-140.
Wilbur, S. R. (1978). "Turkey vulture eggshell thinning in California, Florida, and Texas." Wilson Bulletin 90(4): 642-643.
Wilbur, S. R. (1980). "Estimating the size and trend of the California condor population, 1965-1978." California Fish and Game 66(1): 40-48.
Wilbur, S. R. (1980). "The big feast." Audubon Imprint (Santa Monica Bay Audubon Society) 4(4): 6.
Wilbur, S. R. (1983). "The condor and the Native Americans." Outdoor California 44(5): 7-8.
Wilbur, S. R. (1983). "The status of vultures in the Western Hemisphere." Pp. 113-123 in: S. R. Wilbur and J. A. Jackson, Vulture biology and management. Berkeley, California: University of California Press.
Wilbur, S. R. (1983). "A supplementary bibliography of the vultures. Pp. 497-525 in: S. R. Wilbur and J. A. Jackson, Vulture biology and management. Berkeley, California: University of California Press.
Wilbur, S. R. (2002). "Book Review: The California condor, a saga of natural history and conservation" , by N. Snyder and H. Snyder. Condor 104: 222-226.
Wilbur, S. R. (2004). Condor tales : what I learned in twelve years with the big birds. Gresham, OR, Symbios.
Wilbur, S. R. and J. C. Borneman (1972). "Copulation by California condors." Auk 89(2): 444-445.
Wilbur, S. R., W. D. Carrier, and J. C. Borneman. (1974). "Supplemental feeding program for California condors." Journal of Wildlife Management 38(2): 343-346.
Wilbur, S. R., W. D. Carrier, J. C. Borneman, and R. D. Mallette. (1972). "Distribution and number of the California condor, 1966-1971." American Birds 26(5): 819-823.
Wilbur, S. R. and L. F. Kiff (1980). "The California condor in Baja California, Mexico." American Birds 34(6): 856-859.
Wilbur, S. R., R. D. Mallette, and J. C. Borneman. (1977). "California condor survey, 1975." California Fish and Game 63(3): 189-190.
Wilbur, S. R., R. D. Mallette, and J. C. Borneman. (1979). "California condor survey, 1978." California Fish and Game 65(3): 183-184.