Bishop Harold R. Heininger of the Evangelical United Brethren denomination: brief historical sketch

Autobiography, education records, evaluations, recommendation for ministry

Conference office brief correspondence

Obituary, Service Record

Esther Friesen's funeral tributes/histories from grandchildren and from Wycliffe Bible Translators.
Tribute to "Dad Friesen" from the family at his funeral March 11, 2019

Church of UBC Publications: pamphlets: personal evangelism, denominational history & purpose and missions

“Religious Telescope:” vol. IV, no. 1 edition, September 14, 1853.

Missions publications: “Evangelicals Are Serving World Needs,” “Friends in China” a pageant, “Human Interest Stories from our own Mission Fields,” “On African Trails with Evangelical Adventurers,” “Philippine Detour,” Program for Evangelical Missions,” Twelve More Years of Abiding Past” 1934-1946, “When the Americans Come,” "Manual on Evangelism," plus promotional materials

Evangelical Church Publications: Sunday School, evangelism, finance, quarterly conference, “Minister’s Manual for Visitation Evangelism,” “A grateful People’s Tribute of Love and Loyalty” (Albright Memorial Church)

World Evangel, WSWS periodical: 1947, Jan; 1948, Sept.: 1949, Feb.; 1950, June; 1951, Jan.