24/7 Chat: Contact a librarian 24/7 on our live chat site. Lehman Librarians are standing by during the following hours:
Monday-Thursday: 11 a.m. - 8 p.m.
Friday: 10 a.m. - 4 p.m.
Saturday and Sunday: 12 p.m. - 5 p.m.
If you miss us during these times, other librarians are online and available to chat 24/7.
E-mail us: We generally respond to questions within 48 hours when the Library is open.
Visit the Reference Desk: Stop by the Reference Desk on the first floor and talk with a Librarian during Library hours.
Monday-Thursday: 9 a.m. - 5 p.m.
Make a research consultation appointment: Request an appointment with a librarian to help you with in-depth research questions.
Department Program requirements
Don't know where to begin? Try the links below first. Use the tabs above to find more great computer science resources.