1. Arp, Halton (1974). “Fritz Zwicky.” Physics Today 27, no. 6: 70–71.
2. Müller, Roland (1986). Fritz Zwicky: Leben und Werk des grossen Schweizer Astrophysikers, Raketenforschers und Morphologen (1898–1974). Glarus: Verlag Baeschlin.
3. Payne-Gaposchkin, Cecilia (1974). “A Special Kind of Astronomer.” Sky & Telescope 47, no. 5: 311–313.
4. Thorne, K. S. (1994). Black Holes and Time Warps. New York: W. W. Norton Co.
5. Wild, Paul (1989). “Fritz Zwicky.” In Morphological Cosmology, edited by P. Flin and H. W. Duerbeck, pp. 391–398. Berlin: Springer-Verlag.