Ask a Librarian

Online Chat

Get online research help — click the ‘Ask Us’ button available on the header of every library webpage.  If chat is offline, see below for more research assistance.

Available: Mon – Friday, 9 am – 5 pm and some weekend hours during Fall and Spring semesters.



Ask your questions via email:

Available: Anytime. We try to respond within 24 hours (Mon-Fri) and as soon as possible over weekends and holidays.




Available: Check the library hours schedule.


Visit the Reference Desk

A professional Librarian can answer your questions at the Reference Desk in the North Reading Room, Melville (Main) Library.

A professional librarian is available:

10:00 am to 5:00 pm, Monday through Thursday
11:00 am to 3:00 pm, Friday
12:00 pm to 4:00 pm, Saturday and Sunday [By phone and online chat]


Contact a Library Liaison and Subject Specialist

If you have questions that require subject expertise, you may want to contact our Library Liaisons directly.

*For the Health Sciences Library: Call 631.444.2512 or email:

*For Other Branches (Music, Chemistry, etc.) and Collections: See this page.