Scope and Contents Includes business cards, broadsides, price tags, price lists, newspaper advertisements, postcards, medicine advertisements and more. Some of the states included are New York, Ohio, Pennsylvania (U.S. Centennial Exposition in Philadelphia in 1876, "The American Bridge Co.'s Exhibit), Washington, D.C. (Thomas W. Smith receipt with drawing of building in 1884), Ohio (Cancer Treatment by Dr. A. Williams) and other states. One undated broadside from Cincinnati, Ohio, on cotton rag, advertises,...