How can I search HOLLIS by call number?
Harvard’s libraries use upwards of 20 different call numbering systems, from Library of Congress to Old Widener to National Library of Medicine to Dewey Decimal.
There are two options for exploring HOLLIS by call number, as explained on the HOLLIS User Guide:
- Starts with/Browse (all call numbers)
- Advanced Search, Code: Local Call Number (available only for systems unique to Harvard)
Have another HOLLIS question? Our HOLLIS User Guide provides an overview of HOLLIS's features and functions.
In observation of Martin Luther King, Jr. Day, our services will be unavailable on Monday, January 18. There may be a slight delay in our responses to inquiries received over the weekend. If you're experiencing an ongoing technical issue when you attempt to access library materials with your HarvardKey, please report it to Library Technology Services.
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