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You searched for: Digital Format Books and documents Remove constraint Digital Format: Books and documents Genre Observations Remove constraint Genre: Observations Genre bibliography Remove constraint Genre: bibliography Place Of Origin Germany Remove constraint Place Of Origin: Germany Place Of Origin Warendorf Remove constraint Place Of Origin: Warendorf Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Series Open Collections Program at Harvard University Remove constraint Series: Open Collections Program at Harvard University Subjects Variable stars--Observations Remove constraint Subjects: Variable stars--Observations

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