Letter from Mayor Riley ID: 626 | This file appears in: Service: Septima Clark's Continuing Influence, 1970-1980s Letter from Mayor Riley to Septima Clark, thanking her for administering the oath of office to him on a cold January day. | Source: Avery Research Center for African American History and Culture, College of Charleston, Charleston, SC. Download Original File SourceAvery Research Center for African American History and Culture, College of Charleston, Charleston, SC. "Letter from Mayor Riley " appears in: Service: Septima Clark's Continuing Influence, 1970-1980s