POLISH BOOK MARIAN WROBEL SECRETS of 2-MOVERS CHESS PROBLEMS 1953

2 POLISH BOOKLETS CHESS PROBLEMS & STUDIES JAN RUSINEK & ROSOLAS 1986

RUSSIAN BOOK UMNOV 1967 MODERN CHESS PROBLEMS VERY GOOD

PAUL FARAGO IDEI NOI SAHUL ARTISTIC 1956 CHESS STUDIES PROBLEMS SCHACH ECHECS

RUSSIAN BOOK VLADIMIR BRON'S 90 CHESS PROBLEMS & 160 ENDGAME STUDIES 1969

CZECH BOOK MIROSLAV SOUKUP CHESS PROBLEMS 1944

BULGARIAN BOOK KRIKOR HAYRABEDIAN CHESS PROBLEMS MINIATURES 1980

BULGARIAN BOOK PETKO PETKOV SELECTED CHESS PROBLEMS 1982