Scope and Contents Autographs, correspondence, portraits, and envelopes. Most of the materials were donated by Fred Rosenstock to Brigham Young University, but some were acquired from different sources. Many of the items were originally gathered by Barton Orville Aylesworth, a biographer and an autograph collector in Fort Collins, Colorado.Contains autographs, correspondence, portraits, and envelopes. Most of the items were originally gathered by Barton Orville Aylesworth, a biographer and an...