Folder 9: Publications, Harvard College Observatory,, 1888 - 1900

Folder 9: Publications, Harvard College Observatory,, 1888 - 1900, Box: 1, Folder: 9. Georgetown Observatory Collection, GRB-000010. Georgetown University Rare Books , Booth Family Center for Special Collections. https://findingaids.library.georgetown.edu/repositories/14/archival_objects/1163303 Accessed December 08, 2025.