Thesis--University of Missouri, School of Mines and Metallurgy, 1876. / The entire thesis text is included in file. Holograph [Handwritten and illustrated in entirety by author]. Title from title screen of thesis/dissertation PDF file (viewed October 24, 2008) Thesis attributed to "Greason" from name printed on binding cover. Thesis had no title page. Greason determined to be John D. Greason from "1874-1999 MSM-UMR Alumni Directory". Student Record Card typed during time period of student's enrollment and located in University Archives Department also confirms name as John D. Greason.

Thesis--University of Missouri, School of Mines and Metallurgy, 1916. / The entire thesis text is included in file. Typescript. Illustrated by author. Title from title screen of thesis/dissertation PDF file (viewed April 30, 2009)

Thesis (Ph. D.)--Johns Hopkins University, 1915. / Cover title. Vita. "Reprinted from Economic geology, vol. XI, no. 2, March-April, 1916."

Thesis (Ph. D.)--Northwestern University, 1929. / Bibliography: p. 109-112.

Thesis (Ph. D.)--Johns Hopkins University, 1915. / Cover title. Vita. "Reprinted from Economic geology, vol. XI, no. 2, March-April, 1916."

Thesis (Ph. D.)--Northwestern University, 1929. / Bibliography: p. 109-112.

Presented as Thesis (Ph. D.)--University of Wisconsin--Madison, 1911. / Cover title. Reprinted from Economic geology, vol. VII, no. 1 (Jan. 1912). Includes bibliographical references.

Thesis (Ph. D.)--University of Wisconsin--Madison, 1974. / Typescript. Vita. Description based on print version record. Includes bibliographical references.

Inaug.-diss.--Leipzig. / Lebenslauf. "Kap. III und IV erschienen in der Zeitschrift für die gesamte staatswissenschaft: 67. jahrg. 1911, hft. I, seite 27-73." "Die benutzte literatur": p. 85-86.

Thesis (M.S.)--University of Wisconsin--Madison, 1962. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaf [33]).