Collection includes four copy prints, with corresponding negatives, of photographs of the Holmes family. The original photographs are dated approximately 1880-1929. The items were connected by Blair Holmes.

Contains information from both the personal and professional life of Blair Holmes, and includes journals, correspondence and professional papers documenting his life in Utah, his mission in Austria, and family life from 1932-2016. Also includes diplomas and other ephemera of Holmes and other family members, and transcribed and photocopied volumes of historical documents and newspapers from members of the Victor, Idado community. Dates range from 1932 to 2023.

Handwritten research notes regarding the "Austrian Battalion" during World War Two as well as correspondence between Holmes and various archives. The materials relate to the procurement of items on the same subject which have been cataloged under the number MSS SC 1414.

Typescripts of diaries kept from 1963 to 2001. Holmes writes about his life in Victor, Idaho, his relationship with his family which included four children, his activities as a drug store owner, his work as a member of the Church of Jesus Christ of Latter Day Saints (Mormon Church), and his participation in civic affairs. Blair Holmes, Harold's son, transcribed the materials into typewritten form.

Interview conducted by Richard Poll as part of the Brigham Young University Archives Joint Oral History Project by the Brigham Young University Alumni Association Emeritus Club on September 15, 1988. Holmes describes why he chose to teach history at BYU. He gives an account of his employment with the History Department and describes different aspects of his career including his involvement in the Center for Family and Community History and the Semester Abroad Program.