The biology of estuarine animals por Green, J.

The germ-free animal in research por Coates, M. E. (Marie E.)

Bibliography on animal industry of the Philippines, 1901-1969 por Yamane, Jinshin

Pond life a field guide to the inhabitants of temporary ponds por Masters, Charles O.

Population biology and evolution proceedings of the international symposium, June 7-9, 1967, Syracuse, New York

Natural history of marine animals por MacGinitie, G. E. (George Eber) b. 1889

Table of contents only

Ecology and resource management a quantitative approach por Watt, Kenneth E. F. 1929-

Helminths, arthropods, & protozoa of domesticated animals por Soulsby, E. J. L.

Natural history of marine animals por MacGinitie, G. E. (George Eber),1889

Natural history of marine animals por MacGinitie, G. E. (George Eber),1889