A biological survey of North Dakota - Bailey, Vernon, 1864 -1942 (Government Printing Office, 1926)

Biological survey of Texas : Life zones, with characteristic species of mammals, birds, reptiles, and plants. Reptiles, with notes of distribution. Mammals, with notes on distribution, habits and economic importance - Merriam, C. Hart (Clinton Hart), 1855 -1942 (G.P.O, 1905)

Biologische Untersuchungen. Neue Folge ... - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1909)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

Biology in America - Young, R. T. (Robert Thompson), 1874 - (R.G. Badger, 1922)

Biology in America - Young, R. T. (Robert Thompson), 1874 - (R. G. Badger, 1922)

Biology of deserts : the proceedings of a symposium on the biology of hot and cold deserts organized by the Institute of Biology - Cloudsley-Thompson, J. L. (Institute of Biology, 1954)

Biology of New World Microtus - American Society of Mammalogists. (American Society of Mammalogists, 1985)