Source: United Railways Bulletin, 1915-1923 (published monthly for distribution among the employees of the United Railways Company of St. Louis) (incomplete run)
Location: St.L. / 05 / Un35
Last Name:Hedermann
First Name:David
Last Name, Alternate Spelling:Hederman
Volume:I
Issue:2
Date:Feburary 15, 1915
Page:7