- Church buildings, Choirs (Music)1
- Church camps--Catholic Church3
- Clergy, Catholics2
- Clergy, Catholics, Bishops21
- Clergy, Catholics, Church vestments--Catholic Church1
- Commercial Buildings, Finance companies1
- Commercial Buildings, Men's furnishing goods1
- Commercial Buildings, Retail stores1
- Commercial vehicles2
- Constipation--History--19th century1
- Convents--South Carolina--Columbia4
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Plantation overseers--South Carolina, Ursulines--South Carolina--Columbia, Plantations--South Carolina--Management, Yellow fever--North Carolina--Wilmington1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Transportation--Southern States--History, Ursulines--South Carolina--Columbia1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia162
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Blockade--South Carolina--Charleston1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Cholera--United States--History--19th century1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Cotton trade--Confederate States of America1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Cotton trade--Confederate States of America, Morris Island, Battle of, S.C., 1863 (July 10 - September 7)1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Diphtheria--South Carolina--Columbia, Measles--South Carolina--Columbia1
- Convents--South Carolina--Columbia, Boarding schools--South Carolina--Columbia, Ursulines--South Carolina--Columbia, Diphtheria--South Carolina--Columbia, Yellow fever--South Carolina--Charleston, Typhoid fever--South Carolina--Columbia1