COWAN, Edgar (1815-1885) Guide to Research Papers

Library of Congress

Guide to Research Collections

Brown University
Providence, RI
Papers: In Mary Rivers Allen collection, 1846-1881.

Dickinson College Library
Carlisle, PA
Papers: 1861. 2 letters.

Pennsylvania State University Libraries
University Park, PA
Papers: 1865. 1 item. 2-page autobiographical letter.