|The Daily Times - October 3, 1911|
|The Spartanburg Herald - February 19, 1911|
|The McCook Tribune - October 13, 1910|
|Chicago Public Library|
|Dubuque Telegraph-Herald - October 26, 1910|
UPDATE - April 21, 2014
Scott Simkus has a nice post at John Thorn's blog Our Game. It focuses on Mike Donlin and a bit of his wife, Mabel Hite and features a much more clear image of the "Play Ball" scene.