United States. Congress. Senate. Committee on Patents
Peter Chapman
Philip Cockrill
Reynaldo Ponce de Avalos
United Fruit Company
Stacy May
Arthur Adair Pollan
Marcelo Bucheli
Mario Argueta
United Fruit Company. Medical Department
Edgerly & Crocker
Unknown Author
Richard Allen LaBarge
United States. Congress. Senate. Committee on Interstate Commerce
Aviva Chomsky
Richard Allen La Barge
Oscar de León Aragón
United Fruit Company. Publicity Dept.