Below is a link by last name of every player that has appeared in a game for the Chicago Cubs.
This is an online museum of sorts for items by player in the One Million Cubs Project collection. It will mostly include photos of baseball cards, but also autographs, photos, bobbleheads and other sports memorabilia.
The database featured is every player to appear in a game for the Chicago Cubs. At this time, it does not include Cubs minor league players.