- Thomas, Emily Walter, 1831-18971
- Thomas, Harriet Couturier, 1835-19221
- Thomas, Henrietta Eleanor,1829–19171
- Thomas, Jane Courturier 1879-1957--Pictorial works2
- Thomas, Jane Couturier 1879-1957--Pictorial works4
- Thomas, Jane Fears Rosborough, 1811-1883--Pictorial works1
- Thomas, John Peyre, 1796-1859--Correspondence9
- Thomas, John Peyre, 1796–18591
- Thomas, John Peyre, 1833-1912--Portraits4
- Thomas, John Peyre, 1857-1946--Pictorial works1
- Thomas, Mary Anne 1883-18561
- Thomas, Mary Anne 1883-18571
- Thomas, Neely Carruthers--Pictorial works1
- Thomas, Peter Couturier, 1840-19031
- Thomas, Robert Charlton, 1877-195130
- Thomas, Robert Kirk, 1839-18601
- Thomas, Robert Kirk, 1839-1860--Portraits3
- Thomas, Samuel Peyre 1873-1934--Pictorial works3
- Thomas, T. Gaillard (Theodore Gaillard), 1832-1902--Pictorial works2
- Thomas, Washington Allston 1882-1899--Pictorial Works1