Erwin S. Christman (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Erwin S. Christman" in English language version.

Last modified: 01:52:40, 19 July 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

low place

454^th place

907^th place

8,208^th place

9,065^th place

6^th place

amnh.org (Global: 454^th place; English: 907^th place)

Osborn, Henry Fairfield (1929). The titanotheres of ancient Wyoming, Dakota, and Nebraska. University of Connecticut Libraries. Washington [D.C.] : Dept. of the Interior, U.S. Geological Survey.

Ashworth, William B. (November 27, 2017). "Scientist of the Day: Erwin Christman". Linda Hall Library.