| 1. 1972 Wacky Packages Test Set |
| Theories in the evolution of the mysterious and undocumented 1972 test set of Topps Wacky Packages die-cut trading cards. |
| http://www.wacky-packages.net/ |
| 2. Card Corner |
| Resource for trading cards and collectibles with information including columns, news, internet radio segments, a forum, and links. |
| http://www.cardcorner.org/ |
| 3. Card Zine |
| News, features and information on non-sports trading cards. |
| http://www.readfamily.freeserve.co.uk/ |
| 4. Cardz 'n Thingz |
| A forum for collectors of trading cards as well as many other collectables. |
| http://s10.invisionfree.com/Cardz_%27n_Thingz... |
| 5. Collector Link |
| Search engine for locating trading card collecting sites. Over 2000 sites are catalogued. |
| http://www.collector-link.com/ |
| 6. Collector Trading Cards |
| Weblog with guides and posts about collecting trading cards. |
| http://collectortradingcards.blogspot.com/ |
| 7. Comic Images |
| Comic images is one of the largest publishers of non-sport trading cards and collectibles in the United States. |
| http://www.comicimages.com/ |
| 8. Copcards |
| Information on police trading cards, copcards, dare cards, sheriff cards and law enforcement cards from around the world. Includes general information, scans of cards sorted by location, and swap locations and dates. |
| http://www.copcards.co.uk/ |
| 9. Dog Card Art |
| Collection of vintage trade cards featuring dogs, with pictures, and a history of 92 breeds. |
| http://www.dogcardart.com |
| 10. Don Troy's Playboy Collectors Card Information Site |
| A reference and resource for collectors and dealers of Playboy trading cards. |
| http://members.aol.com/dtroy10610/pbcd/pbcdin... |