| Source: Southwestern Telephone News (St. Louis: Southwestern Bell Telephone Co.), September 1914-December 1916 Location: St.L. / 05 / So89 | |
 | |
| Last Name: | Nagel |
| First Name: | Charles |
| Volume: | 2 |
| Issue: | 9 |
| Date of Publication: | May 1916 |
| Page: | 283-284 |
| Remarks: | extracts from his speech on preparedness |
