London, New York, Routledge & K. Paul; Barnes & Noble, 1968

New York : Twayne Publishers, Inc., 1962

Englewood Cliffs, N.J. : Prentice-Hall, 1965

New York : New York University Press, 1970

Englewood Cliffs, N.J. : Prentice-Hall, Inc., 1964

Englewood Cliffs, N.J. : Prentice-Hall, 1962

Englewood Cliffs, NJ : Prentice-Hall, 1964

New York : Humanities Press, 1964

Englewood Cliffs, N.J. : Prentice-Hall, 1966

New York : Fordham University Press, 1969

Cambridge : Belknap Press of Harvard University Press, 1963

Englewood Cliffs, N.J. : Prentice-Hall, Inc., 1964

[Durham, N.C.] : Duke University Press, 1954

Chicago : The University of Chicago Press, 1966

New York : Twayne Publishers, 1962

New York, Twayne Publishers 1963

Norman : University of Oklahoma Press, 1973
First edition.

[Norman, Oklahoma] : University of Oklahoma Press, 1966
[First edition].

[New York] : New York University Press, 1961

New York : Oxford University Press, 1966