| Business | Phone |
| Andrew Norman Library 5 Westmoreland Pl # 6, Pasadena 91103 | (626) 397-1355 |
| Caltech Library System 1200 E California Blvd, Pasadena 91125 | (626) 395-6405 |
| Kenneth S Latourette Library 1530 E Elizabeth St, Pasadena 91104 | (626) 797-1200 |
| Management Library 383 S Hill Ave, Pasadena 91106 | (626) 395-4048 |
| Robert A Millikan Meml Library 1201 E California Blvd, Pasadena 91125 | (626) 395-6416 |