Baker, Richard E., The Dynamics of the Absurd in the Existentialist Novel, Peter Lang Publishing, Inc., 1993.

By its nature, absurdity avoids rational understanding.
In this study, Baker uses examples from key existentialist
novels to illustrate the philosophical basis
for the absurdist attitude.

Beauvoir, Simone de, Adieux: A Farewell to Sartre, Pantheon Books, 1984.

Beauvoir gives her impressions of the last ten years
of Sartre's life (1970-1980), followed by a lengthy
transcript of a conversation that went on between
them in 1974.

Bielmeier, Michael G., Shakespeare, Kierkegaard, and Existential Tragedy, Edward Mellen Press, 2000.

Starting with the references that Kierkegaard made
to Shakespeare's plays, Bielmeier offers a full existential
reading of the tragedies.

Borowitz, Eugene, A Layman's Introduction to Religious Existentialism, Westminster Press, 1965.

The passionate atheism of the French existentialists
is often noted, but there is a powerful school that
combines existential thought and religious experience.
Borowitz's overview introduces many...