- Billings, John S. (John Shaw), 1898-1975--Pictorial works36
- Pharmacy--History36
- Pharmacy--history--19th century36
- Natural history correspondence34
- African Americans--Civil rights--Southern States--History--20th century32
- Invertebrates32
- Mollusks32
- African Americans--History--20th century31
- Ensor family31
- Ensor, Joshua Fulton, 1836-190731
- African Americans--Civil rights30
- Hughes, Edwin, 1884-1965.29
- Jewish neighborhoods29
- Billings, Katharine Fitzsimons Hammond, 1867-1925--Pictorial works28
- Charleston (S.C.)--History--Revolution, 1775-178328
- Jews--New York (State)--New York28
- South Carolina--History--Revolution, 1775-178327
- World War, 1914-1918--Songs and music27
- African Americans--Education26
- Columbia (S.C.)--History--19th century--Pictorial works26