Jeff Allender's House of Checklists!
http://ourworld.compuserve.com/homepages/allender/jachlist.htm

Jeff's website contains one of the most comprehensive listings of non-sports cards on the web. So if you are looking for a complete checklist for a non-sports set, Jeff's website should be one of your first resources.

Monster Wax
http://www.monsterwax.com

Kurt Kuersteiner is a long time non-sport collector (monster card fanatic) and one of the mainstays behind The Wrapper's presence on the web.