This collection contains all items digitized in the Leslie Mann Papers collection in the Springfield College Archives and Special Collections. The Leslie Mann Papers collection were materials that were donated in the winter of 2019 by the son, Leslie Mann II, and grandson, Leslie Mann III, of Leslie Mann. The collection includes See-How films, Lantern slides used in training materials created by Leslie Mann, scrapbooks from Leslie Mann's professional and amateur baseball careers, and materials from his life including photographs and documents from his time at Springfield College. There are other collections of Leslie Mann materials located in the Springfield College Archives and Special Collections, including the MS532 - Leslie Mann Records and the Leslie Mann Baseball Lantern Slide Collection.