The collection contains photographs about missionary work done in Africa, mainly in Angola. There are several photographs from England, Germany, Holland and the Canary Islands. There are several event programs, one each from Ohio, Virginia and Africa and newspaper clippings concerning missionaries and Mrs. Glidden's marriage.

This collection contains mostly administrative records from Williams' work in missions administration. Included are Williams' reports on his trips overseas; personnel application procedures and personnel development procedures; papers and reports by other authors on missiology and missions theory; a history of the Joint Committee on Missionary Personnel: clippings, books, pamphlets, and reports on several geographic regions, especially China.