Contains approximately 2,000 letters written between 1918 and 1985. Majority of letters are written by Robert John Evans, but other authors include his son, Robert Pugmire Evans, and his mother, Alice Hazel Stallings Evans. Other letters are written by family friends and include holiday and birthday cards. Subjects of the correspondence include religious missions, school and university work, and everyday experiences.

Contains Sunday programs, ward photo directory, assorted publications, a hand-written manuscript of the Doctrine and Covenants, and personal temple records. Dated 1950 to 1997.

Contains assorted papers, an Arizona desert painting on wood, some lab supplies (unused), and undated papers. Dated approximately 1950 to 1990.

Contains personal, professional, and travel journals belonging to Robert John Evans. Materials dated 1922 to 1994, with the bulk of the materials falling between 1963 and 1994.

Letters sent by Robert John Evans to his parents Robert James Evans and Alice Hazel Stallings Evans between 1939 to 1977. Letters discuss everyday occurrences, family happenings, and school and work opportunities. Majority of letters sent from Pullman, Washington and East Lansing, Michigan by Robert John Evans to his parents in Utah.

Contains 618 slides taken between 1983 and 1985 while Robert John Evans was on Brigham Young University Travel Study tours to England, Mexico, Greece, Turkey, Czechoslovakia, Yugoslavia, Austria, Hungary, and other places in Eastern Europe. Materials dated 1983 to 1985.

Contains 120 slides on science experiments and study, taken between 1965 and 1973 at Michigan State University.