1973

Oxford University Press, London

Johns Hopkins University Press, London, Baltimore

Cambridge University Press London

Cambridge University Press, London

1986

Oxford University Press, London

2000

Yale University Press, London

London: Harvey Miller / Oxford: Oxford University Press

The Johns Hopkins University Press, London

Cambridge (Mass.) : Harvard University Press ; London : W. Heinemann

1990

Rutgers University Press, London

The Pennsylvania State University Press, London

1967

English University Press London

The Belknap Press of Harvard University Press, Cambridge, Mass., & London, 1999.

Cambridge, London, New York, Melbourne, u.a., Cambridge University Press

ILR Press, an imprint of Cornell University Press, Ithaca and London 1999