A catalogue of insects of Pennsylvania
Melsheimer, Frederick Valentine, 1749-1814; Mann, B. Pickman (Benjamin Pickman), 1848-1926, former owner. DSI; Schwarz, Eugene Amandus, 1844-1928, donor. DSI; Barber, Herbert Spencer, 1882-1950, donor. DSI; Hubbard, H. G. (Henry Guernsey), 1850-1899, former owner. DSI