24 hour library access is limited to CMU affiliates. Mellon Library visitors not affiliated with CMU should call us prior to visiting.

Mellon Institute is open 24/7 with photo identification. To visit the library, sign in at the Mellon Institute security desk, located inside the Bellefield St. entrance.

Mellon Library is not staffed at all times. Visit during office hours for help and to pick up holds / Interlibrary Loan items, or schedule an appointment by contacting:
Lorri Keeling-Oliver, lkeeling@andrew.cmu.edu, Melanie Gainey, mgainey@andrew.cmu.edu or Huajin Wang, huajinw@cmu.edu.

Office Hours:
Monday-Friday: 8:30am - 12:30pm

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