| Location | Source | Date | Page | Caption | Uniform | Type |
|---|---|---|---|---|---|---|
| Brace Photo | Chicago NL | |||||
| THE ULTIMATE BASEBALL BOOK, D.Okrent & H.Levine | 1988 | 56 | Jack Dunn, Sam .... | Civvies | Upper body pose | |
| BASEBALL'S BEST 1000, Derek Gentile | 2004 | 229 | 667. Harry M. Steinfeldt | Chicago NL (capless) | Upper body pose | |
| THE CHICAGO CUBS: AN ILLUSTRATED HISTORY, D. Honig | 1991 | 27 | Harry Steinfeldt (1906-1910) ..... | Chicago NL | Enlarged from team photo | |
| Library of Congress | c. 1910 | Steinfelt (sic), Chicago Nationals | Chicago NL | Head shot |