Mellon Institute is open 24/7 for CMU users who have special access to the Mellon Institute building.
To visit during regular hours, 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,, Melanie Gainey, or Huajin Wang,

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

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