The Claude H . Barlow collection covers the period from 1919 to 1964. Important subjects covered in this collection are: Bilharzia Snail Destruction Section; canal clearance; hookworm; sanitation; schistosomiasis; self-infection with schistosomiasis, fluke; snail research and studies; Fluke; and copper sulphate.

Important subjects in this collection include World War I in Albania and malaria control in Greece, Albania, Costa Rica, British Honduras, and Brazil.