Welcome to the NU Library Guide on Heinonline.
Use the menu on the left to navigate through this guide.
The Library’s website and resources are available 24/7
Phone: (888) 628-1569
Text/SMS: (928) 550-6552
Library Staffed Hours
(not including observed holidays)
All times below are shown in Pacific Time. Use the Time Zone Converter to check your local time.
Monday through Thursday
8:00 AM - 9:00 PM
8:00 AM - 5:00 PM
9:00 AM - 5:00 PM
10:00 AM - 7:00 PM