Oxford University Press (OUP), 1983

Oxford University Press (OUP), 1981

Oxford University Press, 1980

Oxford University Press, 1981

Oxford University Press (OUP), 1980

Oxford University Press, 1976

Oxford University Press (OUP), 1976

JSTOR, 1987

JSTOR, 1983

Oxford University Press, 1993

JSTOR, 1998

Wiley, 1975