KENNETH HOWARD CHESS PROBLEMS 1965 ECHECS SCHACH

JINDRICH FRITZ SELECTED CHESS PROBLEMS 1979 ECHECS SCHACH

RUSSIAN BOOK BIOGRAPHY SOVIET CHESS GRANDMASTER ANDOR LILIENTHAL 1969 SCHACH

CHESS TOURNAMENT HUNGAROIL HONVED SZIRAK 1986 HUNGARY BILINGUAL ECHECS SCHACH

JOHN NIEMANN HELPMATES CHESS PROBLEMS 1977 CHESS SCHACH ECHECS

NIEMEIJER 50 CHESS PROBLEMS 1967 SCHACH ECHECS

RUSSIAN BOOK YACOV ROKHLIN 1972 THINK AND WIN CHESS SCHACH

CHESS PROBLEMS & ANECDOTES NIEMEIJER ADVERSARIA 1975 ECHECS SCHACH