McINTYRE, D.G. Some problems for my friends. 1957. Ocl. w. dust-j. Rare. -- D.B. PRITCHARD. The classified encyclopedia of chess variants. 2nd ed. (2007). Obrds. -- A.S.M. DICKINS & H. EBERT. 100 classics of the chessboard. (1983). Owrps. -- C. RUSS. Miniature chess problems from many countries. 400 compositions with solutions and comments. (1981). Ocl. -- And 4 o. (8).