Mathilde Killingsworth's materials includes several brief biographical materials created for various board reports and a diary/journal from either Mithilde or her sister. There are also correspondence from both her private and professional life. The two articles in the collection reflect both sisters work within the church and Mathilde's obituary. Other record types include portraits of Mathilde and a large collection of photographs and slides taken in Singapore, China, Jackson, and Clarksdale, Mississippi.