| Source: Kirkwood Historical Review (published by the Kirkwood Historical Society), 1962-2022 Location: St.L. / 05 / K636 | |
 | |
| Last Name: | Armstrong |
| First Name: | David |
| Volume: | XIV |
| Issue: | 4 |
| Date of Publication: | December 1975 |
| Page: | 35-37 |
| Remarks: | in article titled "The Duel of B. Gratz Brown" |
