This collection contains research papers used by Nolan P. Olsen for writing his book The Logan Temple: The First 100 Years. At the time of the book's publication in 1979, N.P. Olson had been associated with the temple for over 44 years. He served as president of the Logan Temple during the remodeling stage that began in 1976 and was competed in 1979. The papers contained in this collection consist of pamphlets, newspaper clippings, memorabilia about the temple, short histories of the temple, a USU thesis, photographs, and drafts of Olsen's The Logan Temple: The First 100 Years.