General Nature in 1974

Ecological Stability by Loparo, Kenneth A., Úshér, Mícháél B., Wíllíámsóń, M. H.

The Animal in Its World (Explorations of an Ethologist, 1932-1972) by Tinbergen, Nikolaas

The Animal in Its World (Explorations of an Ethologist, 1932-1972) by Tinbergen, Nikolaas

Mammals of Kentucky by Davis, Wayne H., Barbour, Roger W.