In general, books about astronomy are tagged with the Library of Congress classification of QB. Books with call numbers that start with QB address some aspect of astronomy. There are over 2600 books about astronomy in the Cooley Science Library.
Also, the Subject Heading of Astronomy contains many sub-headings on all aspects of astronomy. Colgate's book catalog has 245 Astronomy sub-headings, while ConnectNY has 355 sub-headings under Astronomy. In addition, there are 38 Related Subject Headings in Colgate's book catalog.
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