American Chess Bulletin. Edited and Published by Hartwig Cassel and Hermann Helms. A Monthly Record of all News and Games of National and International Importance. - Cassel Hartwig wyd.; Helms Hermann wyd. (Olomouc Publishing House Moravian Chess, 2002)
1962 Vol. 59 Nr 1-6 January - December [2],96 s.
Reprint wyd. New York 1904-
dar od doc. dra Vlastimila Fiali
Keywords: szachy