Scope and Contents Papers, circa 1963-1999, focusing on the founding and early history of the Sarah Bonwell Hudgins Center which serves developmentally disabled children and adults. A significant portion of the collection includes clippings and biographical material on Chester Carlson, inventor of xerography, who was a major donor to the Sarah Bonwell Hudgins Center. The bulk of the collection is letters between Sylvia Zucker, executive director of the Sara Bonwell Hudgins Center, and Chester Carlson's wife,...