This collection contains extensive organizational materials for over 100 years of its operation, particularly 1867 through the 1960s. It is particularly strong in the area of corporate minutes and reports, financial history, membership, publications, and grant awards. There is also a fine set of recorded sermons that may have been created as exemplars for educational purposes.

The records comprehensively cover Windham House's entire history and include minutes, director’s reports, and correspondence. Administrative files document Windham House's inception through its final director Johanna Mott. There is a solid set of financial records (1931-1973) with building plans, and records relating to the disposal of property. Alumni lists and correspondence exist as does a set of student records (1928-1967). A series of publications and typescripts about Windham House includes yearly catalogs and bulletins on the schools curriculum and academic life. The records also include a set of photographs.

The minutes document the Church's work in the field of religious education carried out by the General Board of Religious Education from its inception in 1911 to its dissolution in the 1960s. The General Board’s records are confined to the minutes of the Executive Committee.

Malcolm Riker’s archive is made up of photographic slides from his many trips to Europe, focusing on historic sites, churches, and picturesque landscapes. This collection of transparency slide images documents Malcolm Riker’s ministry of education, his love of history, and interest in travel.

The records relate to the reorganization of Christian education under the National Council beginning with the phase that retained some of the self-governing aspects of the Church’s board structure. The administrative records include minutes, reports, surveys, correspondence, financial statements, and printed matter. Of note is a significant amount of documentation relating to an annual index of Episcopal Camps and Conferences, including questionnaires, leaflets, brochures, and correspondence as well as two film series including Here and Now and Going on from Here, along with production records. Reports, minutes, transcriptions, and correspondence that document the various aspects of the Department’s work among youth round out the collection.