1. A view of a bridge over the Ba-Fing or Black River Author(s): Barrow, Joseph Charles. Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): African Continental Ancestry Group -- ethnologyNatural HistoryRiversCommerceSocial ConditionsAfrica
2. [A useful stream] Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): Tropical MedicineHygieneRiversWater Supply
