A great deal of information about Kafka may be found at the kafka.org site.

The Kafka Society of America publishes the Journal of the Kafka Society of America semi-annually from Philadelphia.

Selected Works:

Betrachtung, 1913 - Meditation
Das Urteil, 1913 - The Judgment
Die Werwandlung, 1915 - The Metamorphosis
In der Strafkolonie, 1919 - In the Penal Colony
Ein Landarzt, 1919 - A Country Doctor
Brief an der Vater, 1919 - Letter to His Father
Ein Hungerkünstler, 1924 - A Hunger Artist
Der Prozess, 1925 - The Trial
Das Schloss, 1926 - The Castle
Der Verschollene, 1927 - retitled Amerika
Beim Bau der Chinesischen Mauer, 1931 - The Great Wall of China
Beschreibung eines Kampfes, 1936 - Description of a Struggle
Tagebücher 1910-23, 1951 - The Diaries of Franz Kafka 1910-1913, The Diaries of Franz Kafka 1914-1923
Briefe an Milena, 1952 - Letters to Milena
Hochzeitsvorbereitungenaufdemlande, 1953 - Wedding Preparations in the Country and Other Posthumous Prose Writings
Briefe 1902-24, 1958
Briefe an Felice, 1967 - Letters to Felice Sämtliche Erzählungen., 1969
The Basic Kafka, 1971
Briefe an Ottla, 1974 - Letters to Ottla and the Family
I Am A Memory Come Alive: Autobiographical Writings, 1974
Letters to Friends, Family, and Editors, 1977
Schriften, Tagebücher, Briefe, 1982

Criticism and Biography:

Anderson, Mark. Kafka's clothes: ornament and aestheticism in the Hasburg fin de siecle. Oxford: Oxford University Press, 1992.
-- Reading Kafka: Prague, politics, and the fin de siecle. New York: Schocken Books, 1989.
Boa, Elizabeth. Kafka: gender, class, and race in the letters and fictions. New York: Clarendon Press, 1996.
Berkoff, Steven. Meditations on Metamorphosis. London: Faber and Faber, 1995.
Bridgewater, Patrick. Kafka and Nietzsche. Bonn: Bouvier, 1974.
--Kafka?s novels: an interpretation. Amsterdam: Rodopi, 2003.
--Kafka, gothic and fairy tale. NY: Rodopi, 2003.
Carotenuto, Aldo. The call of the Daimon: love and truth in the writings of Franz Kafka: The Trial and The Castle. Tr. Charles Nobar. Wilmette, IL: Chiron Publications,1994.
Carrouges, Michel. Kafka versus Kafka. Tr. Emmett Parker. University, AL: University of Alabama Press, 1968.
Cooper, Gabriele von Natzmer. Kafka and language: in the stream of thoughts and life. Riverside, CA: Ariadne Press, 1991.
Corngold, Stanley. Franz Kafka: the necessity of form. Ithaca, NY: Cornell University Press, 1988.
Deleuze, Gilles, and Felix Guattari. Kafka: toward a minor literature. Minneapolis: University of Minnesota Press, 1986.
Dodd, W. J. Kafka and Dostoyevsky: the shaping of influence. New York: St. Martin's Press, 1992.
Dowden, Stephen D. Kafka's castle and the critical imagination. Columbia, SC: Camden House, 1995.
Fickert, Kurt J. End of a mission: Kafka's search for truth in his last stories. Columbia, SC: Camden House, 1993.
Gray, Richard T. Constructive destruction: Kafka's aphorisms: literary tradition and literary transformation.
Gross, Ruth V. Critical essays on Franz Kafka. Boston: G. K. Hall, 1990.
Grozinger, Karl-Erich. Kafka and Kabbalah. New York: Continuum, 1994.
Hahn, Hannelore. The influence of Franz Kafka on three novels by Gabriel Garcia Marquez. New York: P. Lang, 1993.
Hall, Calvin S and Richard E. Lind. Dreams, life, and literature: a study of Franz Kafka. Chapel Hill: University of North Carolina Press, 1970.
Hamalian, Leo, Ed. Franz Kafka: a collection of criticism. New York: McGraw-Hill, 1974.
Hawkins, Beth. Reluctant theologians: Franz Kafka, Paul Celan, Edmond Jabes. New York: Fordham University Press, 2003.
Heidsieck, Arnold. The intellectual contexts of Kafka's fiction: philosophy, law, religion. Columbia, SC: Camden House, 1994.
Hibberd, John. Kafka in context. London: Studio Vista, 1975.
Hughes, Kenneth, Ed. Franz Kafka: an anthology of Marxist criticism. Hanover: University Press of New England, 1981.
Janouch, Gustav. Conversations with Kafka. Tr. Goronwy Rees. New York: Quartet Books, 1985.
Jofen, Jean. The Jewish Mystic in Kafka. New York: P. Lang, 1987.
Kempf, Franz R. Everyone's darling: Kafka and the critics of his short fiction. Columbia, SC: Camden House, 1994.
Kirchberger, Lida. Franz Kafka's use of law in fiction: a new interpretation of In der Strafkolonie, Der Prozess, and Das Schloss. New York: P. Lang, 1986.
Kluback, William. Franz Kafka: challenges and confrontations. New York: P. Lang, 1993.
Krauss, Karoline. Kafka's K. versus the castle: the self and the other. New York: P. Lang, 1996.
Kuna, Franz. Franz Kafka: literature as corrective punishment. Bloomington: Indiana University Press, 1974.
Murray, Jack. The landscapes of alienation: ideological subversion in Kafka, Celine, and Onetti. Stanford: Stanford University Press, 1991.
Pascal, Roy. Kafka's narrators: a study of his stories and sketches. Cambridge: Cambridge University Press, 1982.
Politzer, Heinz. Franz Kafka: parable and paradox. Ithaca, NY: Cornell University Press, 1966.
Preece, Julian, Ed. The Cambridge Companion to Kafka. Cambridge: Cambridge University Press, 2002.
Robbins, Jill. Prodigal son/elder brother: interpretation and alterity in Augustine, Petrarch, Kafka, Levinas. Chicago: University of Chicago Press, 1991.
Robertson, Ritchie. Kafka: Judaism, politics, and literature. Oxford: Clarendon Press,1985.
Rolleston, James. Kafka's narrative theater. University Park: Pennsylvania State University Press, 1974.
-- A companion to the works of Franz Kafka. Rochester, NY: Camden House, 2002.
-- Twentieth century interpretations of The Trial: a collection of critical essays. Englewood Cliffs, NJ: Prentice-Hall, 1976.
Smith, Kristen L. Franz Kafka's Trial: a bibliography of interpretation. Urbana, IL: Albatros, 1984.
Sokel, Walter Herbert. The myth of power and the self: essays on Franz Kafka. Detroit: Wayne State University Press, 2002.
Spann, Meno. Franz Kafka. Boston: Twayne Publishers, 1976.
Stern, J.P. The world of Franz Kafka. New York: Holt, Rinehart, and Winston, 1980.
Stringfellow, Frank. The meaning of irony: a psychoanalytic investigation. Albany, NY: State University of New York Press, 1994.
*Note: the book has a special focus on Der Prozess
Suchoff, David Bruce. Critical theory and the novel: mass society and cultural criticism in Dickens, Melville, and Kafka. Madison: University of Wisconsin Press, 1994.
Sussman, Henry. The trial: Kafka's unholy trinity. New York: Twayne Publishers, 1993.
Szanto, George H. Narrative consciousness: structure and perception in the fiction of Kafka, Beckett, and Robbe-Grillet. Austin, University of Texas Press, 1972.
Tambling, Jeremy. Lost in the American city: Dickens, James, and Kafka. New York: Palgrave, 2001.
Thiher, Allen. Franz Kafka: a study of the short fiction. Boston: Twayne Publishers, 1990.
Thorlby, Anthony. Kafka: a study. London: Heinemann, 1972.
Tiefenbrun, Ruth. Moment of torment: an interpretation of Franz Kafka's short stories. Carbondale: Southern Illinois University Press, 1973.
Triffitt, Gregory B. Kafka's "Landzart" collection: rhetoric and interpretation. New York: P. Lang, 1985.
Unseld, Joachim. Franz Kafka: a writer?s life. Tr. Paul F. Dvorak. Riverside, CA: Ariadne Press, 1994.