Dover ed., an unabridged, corr. republ. of the work originally published by Simon & Schuster, Inc., New York, in 1974, and by George Allen & Unwin Ltd., London, in 1975, 1988

1981

1977

1970

Addison-Wesley world student series ed., 4. ed., 3. print, 1973

2. ed., reprinted with corrections, 1978

1980

1990

1990

1995

2. ed, 1977

1980

2007

1991

1985

1. [Dr.], 1989

1998

1992

1996

1993

1997

1979

1969

1991