Author
Pennsylvania Railroad
Baltimore and Eastern Railroad Company
3
Long Island Rail Road
2
Baltimore and Eastern Railroad Co
1
Boston "1915" exposition
1
Brotherhood of Locomotive Firemen and Enginemen
1
Enochs, H. A.
1
Rea, Samuel, 1855-1929
1
Richards, Joseph T.
1
Seneff, Edward Hamilton, 1867-
1
United States Railroad Labor Board
1
Wallis, James T., 1868-
1
Whiter, Edward T. 1864-1947
1