O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Provost Marshall's Office, Aquia Creek. February, 1863 albumen print 17.8 x 23.0 cm. Museum Collection GEH NEG: 9040 81:0004:0046
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Castle Murray, near Auburn, Virginia. November, 1863 albumen print 17.3 x 22.5 cm. Museum Purchase GEH NEG: 9041 81:0004:0047
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Culpepper, Virginia. November, 1863 albumen print 17.8 x 23.0 cm. Museum Collection GEH NEG: 9042 81:0004:0048
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: General Post-Office, Army of the Potomac, Brandy Station, Virginia. December, 1863 albumen print 17.3 x 22.5 cm. Museum Purchase GEH NEG: 9043 81:0004:0049
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: The Halt May, 1864 albumen print 17.7 x 23.0 cm. Museum Collection GEH NEG: 9044  81:0004:0050
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Guard Mount, Head Quarters Army of the Potomac. February, 1864 albumen print 17.8 x 23.0 cm. Museum Collection GEH NEGS: 9049 21346 23217 81:0004:0055
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Head-Quarters New York Herald, Army of the Potomac, Bealton September, 1863 albumen print 17.2 x 22.8 cm. Museum Collection GEH NEG: 9050 81:0004:0056
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Camp Architecture, Brandy Station, Virginia. January, 1864 albumen print 17.8 x 23.0 cm. Museum Purchase GEH NEG: 9051 81:0004:0057
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Pontoon Boat, Brandy Station, Virginia. February, 1864 albumen print 17.4 x 22.4 cm. Museum Purchase GEH NEG: 9052 81:0004:0058
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Head-Quarters Army of the Potomac, Brandy Station, Virginia. February, 1864 albumen print 17.4 x 23.0 cm. Museum Collection GEH NEG: 9054 81:0004:0060
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Commissary Department, Head-Quarters Army of the Potomac. February, 1864 albumen print 17.8 x 23.0 cm. Museum Purchase GEH NEG: 9055 81:0004:0061
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: U. S. Military Telegraph Construction Corps. April, 1864 albumen print  17.4 x 22.5 cm. Museum Purchase GEH NEGS: 9056 23220 21337 81:0004:0062
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Wagon Park, Brandy Station, Virginia. May, 1863 albumen print 17.8 x 23.0 cm. Gift of Alden Scott Boyer GEH NEGS: 14134 9058 81:0004:0064
O'Sullivan, Timothy H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Chesterfield Bridge, North Anna, Virginia. May, 1864 albumen print 17.8 x 23.0 cm. Museum Purchase GEH NEGS: 9060 21343 81:0004:0066
O'Sullivan, T.H.   American (b. Ireland, 1840-1882) TITLE ON OBJECT: Charles City Court-House, Virginia. June, 1864 albumen print 17.8 x 23.0 cm. Museum Collection GEH NEG: 9062 81:0004:0068