1. (1) Smith, R. M., Joslyn, D. A., Gruzhit, O. M., McLean, I. W., Penner, M. A. and Ehrlich, J.; Chloromycetin; Biological studies. J. Bact., 55, 425, 1948.
2. (2) Umezawa, H., Tazaki, T., Kanari, H., Okami, Y. and Fukuyama, S.; Isolation of crystalline antibiotic substance from a strain of streptomyces and its identity with chloromycetin. Jap. Med. J., 1, 358, 1948.
3. (3) Ehrlich, J., Gottlieb, D., Burkholder, P. R., Anderson, L. and Pridham, T. G.; Streptomyces venezuelae n. sp., the source of chloromycetin. J. Bact., 106, 417, 1947.
4. (4) Okami, Y.; Studies on the characters of antibiotic streptomyces. I. On the characters of a chloromycetin-producing strain (0-163) , Jap. Med. J., 1, 499, 1948.
5. (5) Ehrlich, J.; Personal communication.