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You searched for: Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Series Harvard College Library history of science project ; 00370 Remove constraint Series: Harvard College Library history of science project ; 00370 Subjects Variable stars--Observations Remove constraint Subjects: Variable stars--Observations
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1. The practical observing of variable stars

Creator/Contributor:
American Association of Variable Star Observers
Creation Date:
1918
Subjects:
Variable stars--Observations
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