Expeditions and Discoveries Sponsored Exploration and Scientific Discovery in the Modern Age

Search Constraints

You searched for: Creation Date 1918 Remove constraint Creation Date: 1918 Digital Format Books and documents Remove constraint Digital Format: Books and documents Genre Observations Remove constraint Genre: Observations Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Repository Widener Library, Harvard University Remove constraint Repository: Widener Library, Harvard University Repository Master Microforms, Harvard University Remove constraint Repository: Master Microforms, Harvard University Series Open Collections Program at Harvard University Remove constraint Series: Open Collections Program at Harvard University 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

Search Results