1. Asimov, Isaac. Foundation. London: Granada, 1953.
2. ———. Foundation and Empire. London: Granada, 1953.
3. ———. In Memory Yet Green: The Autobiography of Isaac Asimov, 1920–1954. Garden City, NY: Doubleday, 1979.
4. ———. “An Interview with Isaac Asimov.” By James Gunn. In Conversations with Isaac Asimov, edited by Carl Freedman. Jackson, MS: University of Mississippi, 2005.
5. ———. Second Foundation. London: Granada, 1953.