Werner SPECKMANN CHESS PROBLEMS MINIATUR 2-MOVERS 1965 ECHECS

JINDRICH FRITZ SELECTED CHESS PROBLEMS 1979 ECHECS SCHACH

NIEMEIJER 50 CHESS PROBLEMS 1967 SCHACH ECHECS

IRVING CHERNEV BRIGHT SIDE OF CHESS 1952 ECHECS SCHACH

NIEMEIJER POSTHUME TRIBUTE TO ALBARDA CHESS PROBLEMS 1986 SCHACH ECHECS

NEWSPAPER "DER WELT" CHESS PROBLEMS COMPOSITION JUBILEE TOURNAMENT 1998 ECHECS

CHESS PROBLEMS & ANECDOTES NIEMEIJER ADVERSARIA 1975 ECHECS SCHACH

GLASS ZANDER NUR EIN BAUER HELPMATES CHESS PROBLEMS 1974 CHESS SCHACH ECHECS