US Commanders of World War IIJames Arnold, Robert Hargis, Darko Pavlovic · First published 2012Open the Tome
World War II Medal of Honor RecipientsRamiro Bujeiro, Robert Hargis, Starr Sinton · First published 2012Open the Tome
Practical hints relating to yellow fever preventionRobert Bell Smith Hargis · First published 1880Open the Tome
The ship origin of yellow feverRobert Bell Smith Hargis, Yellow Fever Commission (U.S.) · First published 1880Open the Tome
