| Source: Missouri Athletic Club Journal: A Monthly Journal Devoted to Athletics in General (August 1903 and October 1903) Location: St.L. / 367 / M69j | |
 | |
| Last Name: | O'Brien |
| First Name: | John |
| Middle Name: | C. |
| Volume: | I |
| Issue: | 3 |
| Publication Date: | October 1903 |
| Page: | 25-26 |
| Remarks: | in list of members of Registration Committee of the Western Association of the American Athletic Union |
