2005 Schwartz, O. A. and K. B. Armitage. Weather influences on demography of the yellow-bellied marmot. Journal of Zoology (London) 265:73-79.
2003 Schwartz, O. A. And K. B. Armitage. Population Biology of Yellow-bellied marmots: A 40 year Perspective. In: Adaptive strategies and diversity in marmots. Edited by R. Ramousse, D Allaine and M. Le Berre. International Network on Marmots, Lyon. pp. 207-212.
2000 Armitage, K. B. and O. A. Schwartz. Social enhancement of fitness in the yellow-bellied marmot. Proceedings of the National Academy of Sciences USA 97:12149-12152.
1998 Schwartz, O. A., K. B. Armitage, and D. H. Van Vuren. A 32-year demography of the yellow-bellied marmot. Journal of Zoology (London) 246:337-346.
1998 Schwartz, O. A. and K. B. Armitage. Empirical considerations on the stable age distribution. Oecologia Montana 7:1-6.
1987 Schwartz, O. A. and P. D. Whitson. A 12-year study of mammalian succession and habitat utilization on a reconstructed tallgrass prairie. American Midland Naturalist 117:240-249.
1986 Schwartz, O. A., V. C. Bleich, and S. A.Holl. Genetics and the conservation of mountain sheep Ovis canadensis nelsoni. Biological Conservation 37:179-190.
1983 Schwartz, O. A. and K. B. Armitage. Problems in the use of genetic similarity to show relatedness. Evolution 37:417-420.
1980 Schwartz, O. A. and K. B. Armitage. Genetic variation in social mammals: the marmot model. Science 205:665-667.