avid (1992). The Oxford Companion to Chess, Second edition. Oxford University Press. ISBN 0-19-866164-9. OCLC 25508610. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)Kasparov, Garry (2003a). My Great Predecessors, part I. Everyman Chess. ISBN 1-85744-330-6. OCLC 223602528.Kasparov, Garry (2003b). My Great Predecessors, part II. Everyman Chess. ISBN 1-85744-342-X. OCLC 223906486.Kasparov, Garry (2004a). My Great Predecessors, part III. Everyman Chess. ISBN 1-85744-371-3. OCLC 52949851.Kasparov, Garry (2004b). My Great Predecessors, part IV. Everyman Chess. ISBN 1-85744-395-0. OCLC 52949851.Kasparov, Garry (2006). My Great Predecessors, part V. Everyman Chess. ISBN 1-85744-404-3. OCLC 52949851.Leibs, Andrew (2004). Sports and Games of the Renaissance. Greenwood Publishing Group. ISBN 0313327726.Wilkinson, Charles K. (1943). "Chessmen and Chess". The Metropolitan Museum of Art Bulletin. New Series, Vol. 1, No. 9 (9): 271–279. doi:10.2307/3257111. {