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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A recent change in the way the Chrome browser ensures security may cause a pop-up window to appear on some web sites. The window will ask if you want to 'allow' or 'block' the site's access to your local network. Since the Harvard network is trustworthy you should click 'allow'.
More information, including what to do if you clicked 'block', can be found on this HUIT support page.
Monday-Friday 9am-6pm
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.