Here's the website that Alex used:
http://nlbpa.com/chicago_union_giants.html
I hate to risk offending anyone here who might have been involved in the creation of that website, but... WTF? They didn't even check for typos - Colmbia?
The 'Leland Giants' page also has errors (e.g-Leland's team became the Chicago Giants in 1910, not 1911.
http://nlbpa.com/1909_leland_giants.html