Back to Beckett.

Cohn, Ruby.
Princeton, N.J. : Princeton University Press, [1974, c1973]

A Beckett canon

Cohn, Ruby.
Ann Arbor : University of Michigan Press, 2005.
First paperback edition.

Casebook on Waiting for Godot

Cohn, Ruby.
New York : Grove Press, [1967]

Currents in contemporary drama.

Cohn, Ruby.
Bloomington : Indiana University Press, [1969]

Dialogue in American drama.

Cohn, Ruby.
Bloomington : Indiana University Press, [1971]

Edward Albee.

Cohn, Ruby.
Minneapolis : University of Minnesota Press, [1969]

Just play : Beckett's theater

Cohn, Ruby.
Princeton, N.J. : Princeton University Press, [1980]

Modern Shakespeare offshoots

Cohn, Ruby, author.
Princeton, New Jersey : Princeton University Press, 1976.

Monologues de minuit.

Cohn, Ruby.
New York : Macmillan, [1965]

New American dramatists, 1960-1980

Cohn, Ruby.
New York : Grove Press, 1982.

Samuel Beckett: the comic gamut.

Cohn, Ruby.
New Brunswick, N.J. : Rutgers University Press, [1962]

Twentieth century drama: England, Ireland [and] the United States

Cohn, Ruby.
New York : Random House, [1966]