Museums with Collections of Playing-Cards
- A text list with hyperlinks to museums around the world that have historically interesting collections of playing cards, arranged by country.
- http://www.cs.man.ac.uk/~daf/i-p-c-s.org/faq/

Alta Carta
- Forum for trading playing cards of interest to collectors, as well as information about playing cards.
- http://www.altacarta.com/

The Playing Card
- An informative site about playing card history, terms, and games.
- http://www.the-playing-card.com/

dotpattern - playing cards gallery
- Picture galleries featuring a joker collection, playing cards, trading cards and phone cards, with information and links about collecting.
- http://www.dotpattern.com/gamecard/

JohnyJollyJoker
- 27 pages of duplicate jokers to swap, guestbook, gallery of old & rare cards.
- http://users.telenet.be/johnyjollyjoker/

Huub's House of Jokers
- Galleries of a personal collection, duplicates for swapping and links to other joker collectors.
- http://members.home.nl/huubwolters/index.htm

Gunther Anderson's Playing Card Collection
- Occasionally updated galleries of themed decks of cards, with scanned cards and commentary.
- http://www.guntheranderson.com/cards.htm

MGM Joker KG - Playing Cards for Collectors
- A German manufacturer of playing cards specifically targeted to collectors.
- http://www.muenzgalerie.de/spielkarten/spiel_index_gb.htm

World of Playing Cards
- Everything about playing cards, their history, lore, collecting, manufacture, and design.
- http://www.wopc.co.uk/

Encyclopedia of Playing Cards
- Includes copyright dates, manufacturers and other details.
- http://www.djmcadam.com/playing-cards.html

Knave of Delaware
- Useful information on setting up a playing card collection database.
- http://members.ezol.com/~knaveofde/