August 3,2020: Library locations will reopen to Harvard students, faculty, and staff for the fall semester. See the full reopening schedule.

Locations & Hours

Our physical spaces may be closed, but we're available online for chat and research consultations.

Ask Us!

Not sure where to begin? During our expanded chat hours, our staff of librarians, archivists, and subject matter experts are ready to answer your questions.

Summer 2021 Remote Help Hours (Eastern Daylight Time)

  • Monday through Thursday: 9am - 9pm
  • Friday: 9am - 7pm
  • Saturday: 9am - 5pm
  • Sunday: 12pm - 7pm


Subject-specific help

Coming from a Harvard graduate school or looking for assistance with specific subjects or special collections and University Archives? You can reach:

Book Pickup Now Available

Find out how you can use Harvard Library today—including borrowing materials and using our most in-demand services—and get the latest updates.