U.S. Playing Card Co. (1922). The Official Rules of Card Games: Hoyle Up-to-date. p. 199. «Russian Bank (OR CRAPETTE) This game, which is sometimes called Double Solitaire, has lately come into great favor as being probably the best game for two players ever invented.»; Wood, Clement; Goddard, Gloria (1940). The Complete Book of Games. Garden City. p. 242. «RUSSIAN BANK or CRAPETTE This Double Patience or Double Solitaire is often regarded today as the most enjoyable game for two players ever invented.»