Correspondence with various observatories about de Forest's observations of the solar corona.
Use of original papers requires an appointment and is limited to the Archives' Washington, D.C. Research Center. Contact Reference Services for more information.
Lockwood de Forest papers, 1858-1980. Archives of American Art, Smithsonian Institution.
Funding for the digitization of this collection was provided by The Walton Family Foundation and the Terra Foundation for American Art.
Sally K. Ride Papers, Acc. 2014-0025, National Air and Space Museum, Smithsonian Institution.