Book Taylor, Bob Pepperman (1992)
Our limits transgressed: Environmental political thought in America. (/isis/citation/CBB000038402/) unapi

Book Langthaler, Rudolf (1992)
Organismus und Umwelt: Die biologische Umweltlehre im Spiegel traditioneller Naturphilosophie. (/isis/citation/CBB000062641/) unapi

Book Du milieu à l'environnement: Pratiques et représentations du rapport homme/nature depuis la Renaissance (1992). (/isis/citation/CBB000056430/) unapi

Book Drouin, Jean-Marc (1991)
Réinventer la nature: L'écologie et son histoire. Préface de Michel Serres. (/isis/citation/CBB000042281/) unapi

Book Hermand, Jost (1991)
Grüne Utopien in Deutschland: Zur Geschichte des ökologischen Bewusstseins. (/isis/citation/CBB000051326/) unapi

Article Thomas, Christine L. (1991)
One hundred twenty years of citizen involvement with the Wisconsin Natural Resources Board. Environmental History Review (pp. 61-81). (/isis/citation/CBB000029424/) unapi

Book Sörlin, Sverker (1991)
Naturkontraktet: Om naturumgängets idéhistoria. (/isis/citation/CBB000040901/) unapi

Book McGucken, William (1991)
Biodegradable detergents and the environment. (/isis/citation/CBB000028930/) unapi

Book Real, Leslie A.; Brown, James H. (1991)
Foundations of ecology: Classic papers, with commentaries. (/isis/citation/CBB000061118/) unapi

Book Scheffer, Victor B. (1991)
The shaping of environmentalism in America. (/isis/citation/CBB000034590/) unapi

Book Mighetto, Lisa (1991)
Wild animals and American environmental ethics. (/isis/citation/CBB000050337/) unapi

Book Oelschlaeger, Max (1991)
The idea of wilderness from prehistory to the age of ecology. (/isis/citation/CBB000032618/) unapi

Article Smout, T.C. (1990 (pub. 1991))
The Highlands and the roots of green consciousness, 1750-1990. Proceedings of the British Academy (pp. 237-263). (/isis/citation/CBB000062032/) unapi

Article Callicott, J. Baird (1990)
Genesis revisited: Murian musings on the Lynn White, Jr. debate. Environmental History Review (pp. 65-90). (/isis/citation/CBB000065085/) unapi

Article Grove, Richard (1990)
The origins of environmentalism. Nature (pp. 11-14). (/isis/citation/CBB000048497/) unapi

Book Religion and environment [Religion und Umwelt]: Proceedings of the Symposium of the XVIIIth International Congress of the History of Science at Hamburg-Munich, 1.-9. August 1989 (1990). (/isis/citation/CBB000052582/) unapi

Book Sheldrake, Rupert (1990)
The rebirth of nature: The greening of science and God. (/isis/citation/CBB000049716/) unapi

Book Trommer, Gerhard (1990)
Natur im Kopf: Die Geschichte ökologisch bedeutsamer Naturvorstellungen in deutschen Bildungskonzepten. (/isis/citation/CBB000034348/) unapi

Book Runte, Alfred (1990)
Yosemite: The embattled wilderness. (/isis/citation/CBB000052718/) unapi

Book Graf, William L. (1990)
Wilderness preservation and the sagebrush rebellions. (/isis/citation/CBB000048248/) unapi