Thesis (M.H.A.)--University of Michigan, 1959.

Thesis (Ph. D.)--Columbia University. / Vita. Reprinted from Studies in history, economics and public law, ed. by the Faculty of political science of Columbia university, vol. XXIX, no. 1. Includes bibliographical references.

Thesis (M.H.A.)--University of Michigan, 1959.

Thesis (Ph. D.)--University of Minnesota, 1964. / Typescript. Includes bibliographical references (leaves 315-324).

Thesis (Ph.D.)--Antioch University New England, 2010. / Title from PDF t.p. (viewed July 22, 2010). "A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy Environmental Studies at Antioch University New England (2010)."--from the title page. Advisor: James Jordan, Ph.D. Includes bibliographical references (p. 97-104).

Honors Project--Smith College, Northampton, Mass., 2010. / Includes bibliographical references (p. 98-103).

Summary of Thesis (Ph. D.)--Vanderbilt University, 1937. / "Private edition, distributed by the Joint university libraries, Nashville, Tennessee."

Thesis (Ph. D.)--University of Wisconsin--Madison, 1975. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Thesis (Ph.D.)--Antioch University New England, 2010. / Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Environmental Studies of Antioch University New England, 2010. Includes bibliographical references.

Thesis (PH. D.)--Columbia University, 1905. / Vita. Published also without thesis note. Bibliography: p. [105]-107. Also available in digital form on the Internet Archive Web site.