Contains newsletters of the Austria Philatelic Society. They provide information on upcoming events and other new relating to philately. Dated 2001-2010.

Contains bound volumes of correspondence regarding, or addressed to, Holmes. All correspondence is bound, transcribed, photocopied or otherwise prepared by Holmes. Dated 1957-2022.

Includes junior high school, high school, the Church of Jesus Christ of Latter-day Saints seminary, university, and graduate school diplomas, along with related ephemera for Holmes, Margie Green Holmes, Brian Neville Holmes, and Muriel Berger. Also includes correspondence of Garth Harold Holmes. Material dates from 1932-2008.

Contains bound journals and missionary journals of Blair Holmes that document his life experiences, which include his mission and family life. Some journals are transcribed and bound. Dated 1960-2023.

Contains newsletters for the Austria Mission, "Ausmissmo," and tracting material. Material dates from 1961-1962.

Contains Holmes' dissertation, a collection of twenty-eight oral histories performed by History 200 students, and news and histories pertaining to Idaho. Dated 1972-1987.

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includes diplomas and other ephemera of Holmes and other family members, and transcribed and photocopied volumes of historical documents and newspapers from members of the Victor, Idado community.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.