Coastal zone management multiple use with conservation J. F. Peel Brahtz.

Resources used and abused by Ludwigson, John

A watch on the earth by Woodwell, G. M.

Documents for the U.N. Conference on the Human Environment, June 5-16, 1972.

Environmental conservation by Dasmann, Raymond Fredric 1919-

Basic natural history a procedural approach to conservation, perspective, ecolog. by Nutting, William B. 1918-

The Northeast coast by Edey, Maitland Armstrong 1910-

Conservation for survival an ecological strategy. by Curry-Lindahl, Kai

Environmental conservation by Dasmann, Raymond Fredric 1919-

Table of contents only

The complete ecology fact book. by Nobile, Philip