| Location | Source | Date | Page | Caption | Uniform | Type |
|---|---|---|---|---|---|---|
| Brace Photo | Chicago NL | |||||
| http://www.thedeadballera.com/Cards/Cards_XYZ/YerkesSteve_card.html | 2004 | Steve Yerkes 1912 T207 card | Boston AL | Upper body pose (artwork) | ||
| Sporting Life | Oct. 5, 1912 | 1 | Stephen Yerkes | Boston AL (capless) | Upper body pose | |
| Library of Congress | http://hdl.loc.gov/loc.pnp/ggbain.10305 | 1912 | Steve Yerkes | Boston AL | 3/4 length pose with bat | |
| http://www.archives.upenn.edu/people/1800s/yerkes_stephen_douglas.html | Sep., 2011 | Stephen Douglas Yerkes | Can't ID | Head shot |