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:Hassenflug
First Name:Emil
Last Name, Alternate Spelling:Hasenpflug
Volume:3
Issue:6
Date:June 15, 1917
Page:17