Library Security

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Contact John Clegg, Director, Library Building Operations and Security:

Yale University's Library Security Department oversees the security in Sterling Memorial Library, Bass Library, and the Center for Science and Social Science Information.  The libraries contain material of great culture, research and monetary value - material which must be guarded with great care if use is to be made of the material by those who need it.YUL Patch

The staff of the Library Security Department enforces the library's policies, rules and procedures with respect to the operations, security and safety of the library, its collections and occupants.

Library Security personnel are not officially connected with the Yale or the New Haven Police Departments, but the department works in close cooperation with these agencies when necessary.  The staff of the Library Security Department may be seen as supplements to the Yale Police, another facet of the campus-wide effort to achieve security for the Yale community.

Library Access

  • SML, Bass, and CSSSI are open to the public before 6pm.
  • Entrance into the book stacks in SML is by Yale ID or Yale Privileges Card only.  Please scan your ID at the stacks security gate to gain access to the stacks.
  • If you would like to gain access to the library after 6pm, you must bring your Yale ID or Yale Privileges Card for admittance. NO ID, NO ENTRY.
  • Bag checks when exiting SML and Bass
    • Signs placed at the entrances of SML and Bass Library inform patrons, visitors, and guests that all books, briefcases, bags, backpacks, purses, and parcels not previously stamped by a Security Officer will be inspected at the exits.
    • When exiting the library, please have all library materials out and have bags, backpacks and carrying cases open to be inspected by security personnel.

Lost and Found

  • Lost and found items are turned into the Security Office in SML, Room 135.
  • To locate a lost item, please contact Guiovanna Carrion, Sr. Admin Assistant for Building Operations and Library Security.
Last modified: 
Wednesday, December 21, 2016 - 1:56pm