Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Parke, Davis Research Laboratory Records, Archives Center, National Museum of American History.
Restricted for 15 years; until Jan-01-2021. Copyrighted material in Box 3 (Mineral Technology: Myles Salt Company, 1916; and John N. Hoffman: "Study of Surface Mine Refuse Fires," Pennsylvania State College, 1949-1950); see finding aid. Transferring office; 5/8/1997 memorandum, Johnstone to Langley; Contact reference staff for details