1. Adair, R. K., and E. C. Fowler, Strange Particles. New York: Wiley-Interscience, 1963.
2. Chew, G., M. Gell-Mann, and A. H. Rosenfeld, “Strongly Interacting Particles.” Scientific American (February 1964).
3. Lichtenberg, D. B., Meson and Baryon Spectroscopy. New York: Springer-Verlag, 1965.
4. Segrè, E., Nuclei and Particles. New York: W. A. Benjamin, 1964.
5. Swartz, C. E., The Fundamental Particles. Reading, Mass.: Addison-Wesley Publishing Company, 1965.