Anselm's other argument

Smith, A. D. (Arthur David), author.
Cambridge, Massachusetts : Harvard University Press, 2014.

Logical modalities from Aristotle to Carnap : the story of necessity

New York : Cambridge University Press, 2016.

Modality

Melia, Joseph.
Montreal : McGill-Queen's University Press, [2003]

Modality and explanatory reasoning

Kment, Boris Christian, 1975- author.
Oxford : Oxford University Press, 2014.
First edition.

Necessary beings : an essay on ontology, modality, and the relations between them

Hale, Bob, 1945- author.
Oxford, England : Oxford University Press, 2013.
First edition.

On the plurality of worlds

Lewis, David K. (David Kellogg), 1941-2001.
Oxford, UK ; New York, NY, USA : B. Blackwell, 1986.

The Possible and the actual : readings in the metaphysics of modality

Ithaca, N.Y. : Cornell University Press, 1979.

The world-time parallel : tense and modality in logic and metaphysics

Cresswell, M. J.
Cambridge ; New York : Cambridge University Press, [2012]