Campus Location: Building 32
Sunday: 9am - 12am
Monday: 8am - 12am
Tuesday: 8am - 12am
Wednesday: 8am - 12am
Thursday: 8am - 12am
Friday: 8am - 12am
Saturday: 9am - 12am
Hours Notes: Access to the building, after 5pm on weekdays and all day on weekends/holidays, is limited to card swipe access by current Caltech faculty, postdocs, students and staff. Access to the Millikan basement can be made through the elevators and only by Caltech students, faculty, and staff, who can swipe their card in the elevator. Users can exit the Millikan basement by the elevator or stairwell door.

Print Collection

  • Astronomy
  • Chinese Collection
  • Geology
  • Humanities
  • Social Sciences
  • U.S. & California Government Documents
  • Leisure Reading
  • Campus Group Collections


  • Library Administration 
  • PCs & Macs
  • Color Printer/Scanner/Copier
  • DVDs