Contains materials generated by Mark Allen, including minutes, correspondence, memoranda, class instructional material, resource material used in compiling the department's history, news clippings, reports, and notes. Most of the material was generated by Allen before and after he served as chairman of the Department of Psychology at Brigham Young University.

Collection includes various biographical materials of Jesse Knight, such as patriarchal blessings, the biography of Knight by Inez Knight Allen, funeral tributes to Jesse Knight, legal and financial records of the Blue Bench Irrigation Company, and correspondence concerning the Jesse Knight Trust Fund established for Brigham Young University students. Also included are writings about Knight by Mark Allen. Materials dated approximately 1856 to 2000, with the bulk dated 1856 to 1960.

Contains files of class material including course outlines, lecture notes, reports, assignments, and exams.

Contains files of resource material used by Allen in preparing history of Psychology Department including past Brigham Young University presidents.

Contains files on various topics in Psychology and Academia including correspondence.

Interview by Mark K. Allen with Gerrit de Jong Jr., Brigham Young University dean and professor. reflections of his childhood and teaching experiences at the Murdock Academy and BYU. He discusses his role in organizing the College of Fine Arts, and his associations with faculty and administrators. Includes sound recording and transcript.

Contains and interview by Mark K. Allen with Golden Brimhall, son of George H. Brimhall, on the subjects of George H. Brimhall, the Brigham Young University Training School, and family interests. Includes sound recordings and transcript.

Interview by Mark K. Allen with Kiefer Sauls, Brigham Young University treasurer, purchasing agent and secretary to three presidents. Topics cover his association with BYU in those capacities over a 51 year period, childhood reminiscences and family data. Includes sound recording and transcript. Also includes related transcription materials and 16 page transcript of an incomplete interview with Sauls by Celestia Taylor, October 10, 1978.

Interview by Karl Young with Mark K. Allen concerning his early life, family, grandfather, time as a student at Brigham Young University, education, and experiences at BYU as a professor and counselor. Includes transcript and sound recording.

Interview by Mark K. Allen with Rudger H. Walker, agronomist, educator, and Brigham Young University dean, concerning his childhood experiences in Idaho, school experiences at Ricks College, BYU, and Iowa State. Also speaks of his teaching and research experiences at Colorado, Iowa, and Utah State Universities, and at BYU. Comments on his work assignments in Iran, Siam and Lebannon. Includes transcript and sound recording.