Happiness and immortality George Grimm's investigations into the secrets of Buddhism per Saher, P. J.

Terra; quarterly magazine of the Natural Museum of Los Angeles County.

The nature of life earth, plants, animals, man and their effect on each other per Milne, Lorus Johnson, 1912-

The Shell natural history of Britain Maurice Burton.

Hawaii a natural history ; geology, climate, native flora and fauna above the shoreline per Carlquist, Sherwin John, 1930-

The environmental handbook per De Bell, Garrett

The metropolis and the transformation of resources. per Meier, Richard L.

Environmental geology conservation, land-use planning, and resource management. per Flawn, Peter Tyrell

Table of contents only

Biological conservation. per Ehrenfeld, David W.

The Environmental crisis.