1. : The Specificity of Serological Reactions, Howard University Press, Washington 1947.
2. : The Clonal Selection Theory of Acquired Immunity, Cambridge University Press, Cambridge 1959.
3. : Current Issues in Linguistic Theory, Jana Linguarum, Series minor, Mouton, The Hague 1964.
4. : Language and Mind, Harcourt Brace Jovanovich, New York 1972.
5. : T and B Lymphocytes, American Elsevier, New York 1974.