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You searched for: Creation Date 1907 Remove constraint Creation Date: 1907 Place Of Origin Massachusetts Remove constraint Place Of Origin: Massachusetts Publisher The Observatory Remove constraint Publisher: The Observatory Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Series Annals of the Astronomical Observatory of Harvard College ; v. 47, pt. 1 Remove constraint Series: Annals of the Astronomical Observatory of Harvard College ; v. 47, pt. 1 Subjects Astonomy--Research--Massachusetts--Cambridge Remove constraint Subjects: Astonomy--Research--Massachusetts--Cambridge Subjects Variable stars Remove constraint Subjects: Variable stars

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