1. Moulder, J. W., The Biochemistry of Intracellular Parasitism (Univ. Chicago Press, 1962).
2. Bedson, S. P., and Bland, J. O. W., Brit. J. Exp. Path., 13, 461 (1932).
3. Bland, J. O. W., and Canti, R. G., J. Path. Bact., 40, 231 (1935).
4. Gaylord, W. H., J. Exp. Med., 100, 575 (1954).
5. Conference on “The Biology of the Trachoma Agent”, Ann. N.Y. Acad. Sci., 98, Art. 1 (1962).