Ludovox http://ludovox.fr/jeu-de-societe/les-colons-de-catane-chevaliers-et-marchands-1015/
Français - Un jeu de Klaus Teuber.
Boardgamegeek https://boardgamegeek.com/boardgame/29718/die-siedler-von-catan-kartenspiel-ritter-handler
Anglais - In March 1999 five expansions for the Catan Card Game were published. Ritter & Händler (Knights & Merchants) contains 29 cards from the 1997 Turnier-Set and one new card. Ideas from players around the world were included in the expansions.