1991. Bolger, D. T., A. C. Alberts, and M. E. Soulé, Occurrence patterns of bird species in habitat fragments: sampling, extinction, and nested species subsets. American Naturalist, 137(2):155-166.
1991. Burke, R. L., J. Tasse, C. Badgley, S. R. Jones, N. Fishbein, S. Phillips and M. E. Soulé. Conservation of Stephens' Kangaroo Rat (Dipodomys stephensi): Planning for persistence. The Bulletin of the Southern California Academy of Sciences, 90(1):10-40.
1991. Soulé, M. E. Conservation: tactics for a constant crisis. Science 253:744-750
1991. Soulé, M. E. and M. E. Gilpin. The theory of wildlife corridor capability. Pp. 3-8 in D. A. Saunders and R. J. Hobbs, The Role of Corridors in Nature Conservation. Surrey Beatty and Sons, Sydney.
1991. Soulé, M. E. Theory and the strategy. Pp 91-104 in W. E. Hudson, ed., Landscape Linkages and Biodiversity. Island Press, Washington, D.C.
1992. Soulé, M. E. and L. Scott Mills. Conservation genetics and conservation biology: a troubled marriage. Pp. 55-69 In O. T. Sandlund, K. Hindar and A. H. D. Brown (eds.), Conservation of Biodiversity for Sustainable Development, Scandinavian University Press (distributed by Oxford University Press).
1992. Soulé, M. E. Conservation biology today: the most pressing questions. Pp. 57-63 In J. Sarukhán and R. Dirzo (eds.) Mexico Confronts the Challenges of Biodiversity. Comision Nac. para el Conocimiento y Uso de la Biodiversidad. Mexico.
70. 1992. Soulé, M. E. The Social and Public Health Implications of Global Warming and the Onslaught of Alien Species. Journal of Wilderness Medicine 3:118-127
1992. Soulé, M. E. Ten years ago, ten years from now: Summary remarks for the Symposium on Biotechnology and the Conservation of Genetic Diversity. Proc. Royal Linn. Soc., 64:225-234. (published by Oxford University Press, New York).
1992.Soulé, M. E., A. C. Alberts, and D. T. Bolger. The responses of animals and plants to habitat fragmentation in coastal Southern California. Oikos 63:39-47.
1992. Soulé, M. E. Population viability analysis? Pp. 3-9 in D. F. Williams, S. Byrne, and T. A. Rado (eds) Endangered and Sensitive Species of the San Joaquin Valley, California. California Energy Commission, Sacramento, California and the Wildlife Society, Western Section.
1992. Soulé, M. E. 1992. A vision for the meantime. Wild Earth (special issue): 7-8.
1993. Soulé, M. E. Biophilia: unanswered questions. Concluding chapter in E. O. Wilson and S. Kellert, eds., The biophilia hypothesis: theoretical and empirical investigations. Island Press, Washington, D.C. and Covelo, CA.
1993Mills, L. S. M. E. Soulé, and Dan Doak. The keystone species concept in ecology and conservation. BioScience 43:219-224.
1994. McKenney, D. W., R. A. Sims, M. E. Soulé, and B. G. Mackey. Workshop results in McKenney, D. W., R. A. Sims, M. E. Soulé, B. G. Mackey, and K. L. Campbell, eds., Towards a set of biodiversity indicators for Canadian forests. Natural Resources Canada, Canadian Forest Service,Ontario.