Audio cassette of Bishop Gregg singing two hymns: "Lead Kindly Light" and "Sometimes We'll Understand," undated, RH Cassette Tape 15, Case: 1. Papers of Bishop John A. Gregg, RH MS 579. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/169620 Accessed April 26, 2024.