1. Yellow fever in the Sudan Publication: [United States : T.H. Work, 1954] Subject(s): Yellow FeverExpeditionsSudan
2. Scenes in West Africa Author(s): Sawyer, Wilbur A. (Wilbur Augustus), 1879-1951 Publication: United States : [s.n., 1927?] Subject(s): ExpeditionsYellow Fever -- prevention & controlNigeria
3. Reconnaissance for yellow fever in the Nuba Mountains, southern Sudan, 1954 Publication: United States : T.H. Work, 2006 Subject(s): Yellow Fever -- epidemiologyYellow Fever -- transmissionBlood Specimen CollectionExpeditionsSudan