4 treff

A history of environmental politics since 1945
Samuel P. Hays
Bok Engelsk 2000
Beauty, health, and permanence : environmental politics in the United States 1955-1985
Samuel P. Hays in collaboration with Barb...
Bok Engelsk 1987
Conservation and the gospel of efficiency : the progressive conservation movement, 1890-1920
by Samuel P. Hays
Bok Engelsk 1959
The response to industrialism : 1885-1914
by Samuel P. Hays
Bok Engelsk 1957