Five boxes of archival material related to Pritchard's research for The Encyclopedia of Chess Variants are held by the Ken Whyld Library of the Swiss Museum of Games.British Chess Variants Society Bcvsukf.net . "David Pritchard’s files have been prepared for transfer to the Musée Suisse du Jeu, where they will be kept in the Ken Whyld Library and made available to future researchers." "Site updated 17 January 2010", retrieved 13 March 2010
