Asper, S. P. (1969). "Evaluation of Dr. John Eager Howard's contributions to medicine." JAMA 207(4): 730-735.
   
Asper, S. P. (1972). "Dr. Howard at seventy." Johns Hopkins Med J 131(2): 79.
   
Connor, T. B. and W. C. Thomas, Jr. (1986). "In memoriam John Eager Howard, M. D." Endocrinology 119(1): 443-445.
   
Howard, J. E. (1969). "Serendipity in clinical investigation." JAMA 207(4): 736-739.
   
Howard, J. E. (1985). Musings and Reminiscences of a Pseudo-Scientist. Pompano Beach, FL, Exposition Press.