W. J. Coughtry books & textbook
The Railway and Locomotive Historical Society Bulletin No. 61 May 1943: Pensylvania R. R. Locomotives, The Mountain Division of the Maine Central Railroad
Charles E. Fisher D. L. Joslyn William Conrad Kessler W. J. Coughtry Charles F. H. Allen W. G. Snow Winfield W. Robinson Elizabeth O. Cullen
The Railway and Locomotive Historical Society / Journal
