1983

Lincoln/London, University of Nebraska Press

1973

Oxford University Press, London

Chicago and London, The University of Chicago Press

Chicago & London: The University of Chicago Press

1978

Lincoln/London : University of Nebraska Press

Ottawa / London / Paris, University of Ottawa Press

1975

Universitiy of London Press

Berkeley, L.A., London: University of California Press

Berkley/Los Angeles/London (University of California Press) 1996 (= Erste Ausgabe)

1986

Oxford University Press, London

1972

Oxfrod University Press, London UK

Seattle and London : University of Washington Press.

1993

Seattle/London : University of Washington Press/Seattle Audubon Society

Berkeley-Los Angeles-London, University of California Press Ltd. 1987

Berkeley-Los Angeles-London, University of California Press Ltd. 2001