The collection consists of photographs and negatives from Waldo Henry Dingman, Sr.’s photography business between 1911 and 1959. Images represent life and culture in Ventura County including portraits, weddings, and documentation of local landmarks and areas of interest. The collection also contains photographs, newspaper clippings, scrapbooks, notes, meeting minutes and correspondence related to Waldo Henry Jr.’s actions during World War I and afterward as part of the Last Man’s Club.