John P. Elkin (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "John P. Elkin" in English language version.

refsWebsite

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27^th place

51^st place

books.google.com

Blanchard 1900. Blanchard, Charles (1900). The Progressive Men of the Commonwealth of Pennsylvania. Vol. 2. Logansport, Indiana: A. W. Bowen & Company.
Hudson 1909, p. 327. Hudson, Sam (1909). Pennsylvania and its Public Men. Philadelphia: Hudson & Joseph.
Kehl 1981, pp. 240–42. Kehl, James A. (1981). Boss Rule in the Gilded Age: Matt Quay of Pennsylvania. University of Pittsburgh. ISBN 9780822976295.
Hearst's 1912. "Standard Oil and the Judiciary". Hearst's Magazine. XXII (3): 2–16. September 1912.

Pennypacker 1918, p. 346. Pennypacker, Samuel W. (1918). The Autobiography of a Pennsylvanian . John C. Winston Company.