- SammlungPP - David P. Neufeld fonds
- Textual - D.P. Neufeld textual material
- volume 3206 - Essays and tracts
- Akt1 - The Compatibility of Membership in the Church and in the Masonic Orders by David P. Neufeld (1975 Associated Mennonite Biblical Seminaries, Elkhart, Indiana)
- Akt2 - The Christian Mission of the General Conference Mennonite Church, compiler unknown
- Akt3 - Collection of peace pamphlets