Houghton is open to all vaccinated and boosted visitors. Check our open hours online.

Houghton Library is free and open to all who wish to use the library’s collections.

All visitors to Houghton must present proof of vaccination and booster, along with a photo ID for those age 17 and older, each time they visit the library. See the latest COVID-19 guidance, including requirements for proof of vaccination, on the Harvard Library Visitor Access page.

Although it is not required, please consider wearing a face mask in the library.

While our exhibits and collections are available without an appointment, if you wish to use our reading room, we encourage you to register in advance via HOLLIS Special Request.

If you have a research question, or you're not sure how to access our collections, please submit a question.

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