Essays on the 
Internal Secretions 
1920 
Comprising the Winning Contributions, 
with Some Others, to the First 
‘“‘Harrower Prize Essay Contest.’’ 
Edited by 
Henry R. Harrower, M. D.,F.R.S.M. (Lond.) 
1921 
THE HARROWER LABORATORY 
Glendale, California 
