| Location | Source | Date | Page | Caption | Uniform | Type |
|---|---|---|---|---|---|---|
| Brace Photo | Philadelphia NL | |||||
| CLASSIC BASEBALL CARDS, Frank Slocum (1916 M101-4) | 1987 | 101-7 | 132 J.A. Niehoff | Philadelphia NL | Batting action | |
| The Commercial Appeal, Memphis, TN | Apr. 8, 1928 | Spts - 1 | Niehoff Atlanta | Atlanta m.l. (as Mgr.) | Head shot | |
| ST. LOUIS CARDINALS ENCYCLOPEDIA, B. Broeg & J. Vickery | 1998 | 192 | Niehoff, John Albert | Philadelphia NL | Head shot | |
| http://slackjobcards.com/2z19niehoff.jpg | 1919 Zeenut PCL | 1919 | Zeenut Series - Niehoff Seattle | Seattle m.l. | Full length pose with bat |