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