Sidney B. Sperry Symposium (Provo: BYU Press, 1976): 2-20. A talk given on March 11, 1976 at the Joseph Smith Auditorium at Brigham Young University; CWHN 13: 346-379. Listen to recording: MP3 Right-click (cntrl-click for macs) and “save link as” to download onto MP3. This recording is also found at BYU Speeches.
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