Group of 2 offprints. Includes: ADELBERG, & H. Edwin UMBARGER. "Isoleucine and Valine Metabolism in Escherichia Coli. V. [alpha]-Ketoisovaleric Acid Accumulation." Offprint from: Journal of Biological Chemistry, vol. 205, no. 1, 1953.

No place:: Journal of Biological Chemistry, 1953., 1953. 8vo. 475-482 pp. Figs. Printed wrappers. Ownership rubber stamp of Norman Horowitz, California Institute of Technology. Fine. Adelberg was associated with the Dept. of Bacteriology, University of California, Berkeley. WITH: ADELBERG, et al. "Attempted Induction of Microbial Mutants Requiring Steroidal Growth Factors." Offprint from: Journal of Bacteriology, vol. 69, no. 6, 1955. 8vo. p. 733. Printed wrappers. Ownership rubber stamp of Horowitz. Edward Allen Adelberg was a founder of microbial genetics and biochemist who spent much of his career at Yale University. His writing partner, Harold Edwin Umbarger, was an American bacteriologist and biochemist. In 1960 he joined the Cold Spring Harbor Laboratory in Cold Spring Harbor, New York. In 1964 he took a professorship at Purdue University in West Lafayette, Indiana.