Librarians in North America
A librarian is a person who works professionally in a library, and may hold a degree in librarianship (known either as library science or library and information science). == Duties and functions == Traditionally, a librarian is associated with collections of books, as demonstrated by the etymology of the word "librarian" (from the Latin liber, "book").
Source: Wikipedia — Librarians in North America (CC BY-SA 4.0)