Browse Items (1 total) Tags: Sallie Leonard Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Sallie Leonard - Men on Horseback These are glass negatives of men on horseback. The photos were taken for Sallie Leonard by Charles Wasson of Wasson Studios in Decatur, IL in the early 1900s. Tags: c. 1900, Charles Wasson, Charles Wasson Photo Collection, Decatur IL, Glass Negative, horses, Men, men on horseback, negative, Sallie Leonard, Wasson Studios