1. 1719 Pennsylvania Ave. quarters Publication: [1819?] Subject(s): Libraries, MedicalMilitary MedicineUnited StatesDistrict of ColumbiaUnited States. War DepartmentLibrary of the Surgeon-General's Office (U.S.)
2. Georgetown Aqueduct and College Author(s): Barnard, George N., 1819-1902 Publication: [Washington, D.C.] : Barnard & Gibson, 1862 Subject(s): American Civil WarMilitary PersonnelVirginiaDistrict of ColumbiaGeorgetown College.