Annals of the Astronomical Observatory of Harvard College: Volume 28, Part 2

Miscellaneous Papers: 1888-1895

Annals: Volume 71

Harvard College Observation Circular: Issues 151-200

Annals: Volume 97

Annals of the Astronomical Observatory of Harvard College

Annals of the Astronomical Observatory of Harvard College

Annals: Volume 101

Annual Report of the Director of the Astronomical Observatory of Harvard College

Annals

Annals of the Astronomical Observatory of Harvard College: Volume 64

Annals: Volume 13

Henry Draper Memorial: First-[fourth] Annual Report of the Photographic Study of Stellar Spectra, Issue 1

Annals: Volume 97

Annals of the Astronomical Observatory of Harvard College: Volume 38

Annals of the Astronomical Observatory of Harvard College: Volume 27

Annals of the Astronomical Observatory of Harvard College: Volumes 1-73

Annual Report of the Director of the Astronomical Observatory of Harvard College

Annals: Volume 64

Annals of the Astronomical Observatory of Harvard College: Volume 101