Essay Review Hagen, Joel B.; (2014)
Emerging Ecologies: Past, Present, and Future

Chapter Hagen, Joel B.; (1988)
Organism and environment: Frederic Clements's vision of a unified physiological ecology

Review Joel B. Hagen; (2024)
Review of "A Lab for all Seasons: The Laboratory Revolution in Modern Botany and the Rise of Physiological Plant Ecology"

Review Hagen, Joel B.; (2006)
Review of "Evolution of American Ecology, 1890--2000"

Book Scheffer, Victor B.; (1991)
The shaping of environmentalism in America

Book Crosby, Alfred W.; (1986)
Ecological imperialism: The biological expansion of Europe, 900-1900

Book Vetter, Jeremy; (2010)
Knowing Global Environments: New Historical Perspectives in the Field Sciences

Book McIntosh, Robert P.; (1985)
The background of ecology: Concept and theory

Book Kingsland, Sharon E.; (1985)
Modeling nature: Episodes in the history of population ecology

Book Golley, Frank Benjamin; (1993)
A history of the ecosystem concept in ecology: More than the sum of the parts

Book Oelschlaeger, Max; (1991)
The idea of wilderness from prehistory to the age of ecology

Book Takacs, David; (1996)
The idea of biodiversity: Philosophies of paradise

Review Hagen, Joel B.; (2005)
Review of "Milestones in Systematics"

Book Worster, Donald; (1994)
Nature's economy: A history of ecological ideas. Second edition

Article Hagen, Joel B.; (1990)
Problems in the institutionalization of tropical biology: The case of the Barro Colorado Island Biological Laboratory

Thesis Hagen, Joel B.; (1982)
Experimental taxonomy, 1930-1950: The impact of cytology, ecology, and genetics on ideas of biological classification

Book Bocking, Stephen; (2004)
Nature's Experts: Science, Politics, and the Environment

Review Hagen, Joel B.; (2002)
Review of "Biology: Scientific Process and Social Issues"

Book Bramwell, Anna; (1989)
Ecology in the 20th century: A history

Book Hughes, J. Donald; (1975)
Ecology in ancient civilizations