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O'Callahan Science Library: Home

Welcome to the Science Library at Holy Cross!

Library Staff

Laura Wilson
Science Librarian


Teresa Reilly
Science Library Assistant



The O'Callahan Science Library is located on the first floor of Swords Hall near D'Agostino Cafe. The main entrance is located in the atrium between Haberlin Hall and Swords Hall.  With over 95,000 volumes and increasing numbers of web client computers and enhanced access to proven electronic products, the Library's print collections support the Biology, Chemistry, Mathematics and Computer Sciences, Environmental Science, and Physics Departments, as well as the more neuroscientific side of Psychology.  The Library is a friendly and relaxing place to go for individual and group study, computer/printer use and research assistance.   

For more information please call the Circulation Desk at 508-793-2739, email a member of our staff or go to the Science Library Home Page.



Sunday: 10:00 AM - 12:00 AM
Monday - Thursday: 8:00 AM - 12:00 AM
Friday: 8:00 AM - 5:00 PM
Saturday: 10:00 AM - 6:00 PM

Summer and Semester Breaks:

8:30 - 4:30 weekdays.  Closed weekends, evenings & holidays.


O'Callahan Science Library