Narde. [2012-07-29]. (原始内容存档于2020-11-12). Wilkinson, Charles K. "Chessmen and Chess", The Metropolitan Museum of Art Bulletin. New Series 1:9, May 1943.
Brown,1959年—)是一位美国作家,主要作品有《象牙维京人:刘易斯棋中北欧历史与神话》(Ivory Vikings:The Mystery of the Most Famous Chessmen in the World and the Woman Who Made)等。 Interview with Nancy Marie