24-hour access via ID card is linked to building access, which is linked to the CfA staff database. All CfA affiliates who have a current entry in the CfA Staff Database are eligible for 24-hour access to the Library. If you should have 24-hour building access, but your card does not work on the Library doors, contact the HCO Business Office, B-115, 617-495-7540.
Wolbach Library
Supporting research about the Universe
Wolbach Library closed permanently on March 22, 2024. For library assistance, please email asklib@fas.harvard.edu.
Project PHaEDRA will continue under the Harvard Plate Stacks and Smithsonian Transcription Center.
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