| 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: | Hasenflug |
| First Name: | E. |
| Middle Name: | A. |
| Last Name, Alternate Spelling: | Hasenpflug |
| Volume: | 3 |
| Issue: | 2 |
| Date: | February 15, 1917 |
| Page: | 19 |
