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For Visitors: Home


Members of the Caltech community are, with a few exceptions, the only people able to borrow our materials, use our computers for Internet access, and use our facilities on evenings and weekends.  For more information see the Borrowing Privileges.

Map of our five libraries
Library Hours

Online Resources

Due to our licensing agreements, we can't offer off-campus access to electronic resources to anyone besides current Caltech faculty, students and staff.  Many of these resources can be used by visitors in our libraries.  Please contact the Library (library AT to arrange access prior to the visit.


Members of the Alumni Association are eligible to borrow materials from the libraries. Simply take your Alumni Association card to the Circulation desk at SFL from 8am to 4:30pm Monday through Friday and sign up for library access. Please call ahead (626-395-6401) to verify staff availability.

Free Online Resources