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For Cornell faculty, students & staff only between 9 - 5 p.m. (Mon-Fri)

Need Help? You have Options.

Stop by in Person

Information & Research Help Desk is on the first floor of Mann Library (map it).

General Information & Directions:
Monday - Thursday: 9:00 a.m. - 8:00 p.m.
Fridays: 9:00 a.m. - 4:00 p.m.
Sunday:  3:00 p.m. - 8:00 p.m.
Exceptions: Intersession hours

Walk-in Research Help (meet a research librarian)
Researching sources to write a paper for a class?  Just walk-in and ask for help. 
Subject Research Help Hours:  Mon-Thu 11-5pm and Fri 11-4pm
CISER statistical consultantsHours

Research Consultation

Request your customized appointment for in-depth research projects, thesis, specialized services, and more.  If you are researching for writing one-time class papers, then use walk-in research help. 

E-mail Us

Cannot come into the library? Send your question via email to (See our email service policy below).  We will respond between 9:00 a.m. - 5:00 p.m. to research questions. 

Call Us

Phone number: 607-255-5406

Ask Us 24/7  (Chat on-line)

Ask questions and get answers, in real time, from reference staff. Hours: 24/7 (Cornell Librarians available Mon-Fri 9 - 5 p.m. Non-Cornell librarians available after hours)

Research Tools

Help yourself to the extensive list of research services.   Find answers to frequently asked questions.

E-mail Reference Policy: Mann Library's e-mail reference service is provided primarily to the faculty, students and staff of Cornell University. We also serve the citizens of the State of New York and anyone needing help using the USDA Economics and Statistics System or other information provided through the Cornell Library or contained within our collections. Mann Library reference staff can answer questions in the subject areas of our collections, which include resources in agriculture, life sciences and selected areas of the social sciences. Questions outside the scope of our services should be directed to your local public or academic library.