Reference & Circulation
10 am - 4 pm, Monday - Friday
9 am - 5 pm, Monday - Friday
The Library is closed on Federal holidays.
24-hour access is available to ID card holders. If your ID card does not work, please contact the HCO Business Office.
|60 Garden Street, Cambridge, MA 02138|
The Wolbach Library is located in P Building. Enter the CfA through the Perkin Lobby.
The Library will be immediately to your left.
The Glass Plate Collection is housed in the Observatory Plate Stacks in D Building.
We are committed to supporting all visitors to the Observatory. Unfortunately we are constrained by the 19th (and 20th) century buildings in which our collections are stored. For this reason, please contact us if you require the use of a wheelchair so we can make sure you are able to use our space.