All virtual services are available and some libraries are open for in-person use, while others remain closed through January 23, 2022. Learn more.
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"Text Call Number" is a feature in HOLLIS that allows you to send a book's call number to your cell phone in a text message. It's one of the choices "Send to" section in a HOLLIS record. Please note that carrier fees and restrictions may apply.
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Friday 9am-5pm
Saturday Closed
Sunday 12-7pm
Chat is intended for brief inquiries from the Harvard community.
Reach out to librarians and other reference specialists by email using our online form. We usually respond within 24 hours Monday through Friday.
Talk to a librarian for advice on defining your topic, developing your research strategy, and locating and using sources. Make an appointment now.
These services are intended primarily for Harvard University faculty, staff and students. If you are not affiliated with Harvard, please use these services only to request information about the Library and its collections.
Our chat reference and Research Appointment Request services are intended for Harvard affiliates. All others are welcome to submit questions using the form on this page.
We are happy to answer questions from all Harvard affiliates and from non-affiliates inquiring about the library's collections.
Unfortunately, we're unable to answer questions from the general public which are not directly related to Harvard Library services and collections.