This collection is made up of records of the various agencies of the church. It also includes material regarding local churches and annual conferences. The collection is made up of fourteen series. The four largest series which make up the bulk of the collection are the Woman's Missionary Society, Missionary Society, Annual Conferences, and Sunday School and Tract Union.

This collection is made up of records of the various agencies of the church. It also includes material regarding local churches and annual conferences. The collection is made up of thirteen series. The three largest series which make up the bulk of the collection are the Missionary Society, the Woman's Missionary Society, and the Board of Christian Education.

This collection is made up of administrative material from The Otterbein Press and its predecessor organization the Printing Establishment. It also includes publications about The Otterbein Press and publications produced by the The Otterbein Press.

This collection is made up of records of the various agencies of the church. It also includes material regarding local churches and annual conferences. The collection is made up of eight series. The five largest series which make up the bulk of the collection are the Woman's Home and Foreign Missionary Society, Annual Conferences and Local Church, the Home and Foreign Missionary Society, the Board of Publication, and the War Service Commission. There is one unsigned letter from President Woodrow Wilson to Rev. E.O. Watson in the War Service Commission series.

This accession contains the sermon and travel notes of Sylvanus C. Breyfogel. There are also several notebooks, letters, reports and eulogies. The writings include addresses, articles and sermons written by Breyfogel. There are several note cards and posters advertising the Bishops lectures and a program from a centenary celebration. This accession also includes some legal documents and financial records.