Help A - Z
Need to talk with an information expert? Ask A Librarian for reference service by chat, text, email, phone or in person.
Library of Congress Call Numbers
The majority of books that you will come across in the Libraries will have a Library of Congress Call Number.
http://www.loc.gov/catdir/cpso/lccoNational Library of Medicine Call numbers
A product of the National Library of Medicine for the arrangement of library materials in the field of medicine and related sciences used internationally.
https://www.nlm.nih.gov/class/OutlineofNLMClassificationSchedule.html