- Boys1
- Britton's (S.C.) -- Religious Life and Customs1
- Broad Street Methodist Episcopal (Sumter, S.C.)1
- Broadsides1
- Brown Chapel Baptist (Sumter, S.C.)1
- Brown, G. B.1
- Brown, Laurie L. (Laurie Lanham), 1923-19981
- Brunson, J.1
- Buildings1
- Burgess, Agnes, 1914-20121
- Burials1
- Business enterprises--South Carolina--Sumter1
- Business insurance1
- Camp sites, facilities, etc.--South Carolina--Marion, Lake--Maps1
- Canals--South Carolina--Maps.1
- Cartography--South Carolina1
- Case goods1
- Cassel family1
- Cassels, Henry, 1772-1855--Family1
- Cattle1