Arrangement
The collection is arranged into 14 series.
Series 1: Historical and Background Materials, 1898-1990
Series 2: American Pearl Button Company, undated
Series 3: Automatic Button Company, 1937, 1965
Series 4: Barry Manufacturing Company/The Barry Company, 1890-1980
Series 5: Hawkeye Pearl Button Company, 1914-1968
Series 6: Iowa Pearl Button Company, 1955
Series 7: J & K Button Company, 1993
Series 8: McKee Button Company, 1988
Series 9: Muscatine Pearl Works, 1944-1947
Series 10: Perkins Freshwater Pearl Products, 1944-1966
Series 11: =Rhonda Button Company, 1946-1968
Series 12: Claus Schmarje Button Works, 1914-1941
Series 13: US Button Company, 1915
Series 14: Weber and Sons Button Company, 1900-1976