Reference books come in many formats. They are great places to get broad overviews and background information to start a research project, and to look up facts and historical information.
Use Reference Universe to search the indexes of print and online reference books.
These are collections of reference books as e-books:
These are individual (or a few closely related) reference books. Most are fully searchable as databases, some with enhanced with additional resources and features not available in the print version of the book.
St. Louis Community College Libraries
Florissant Valley Campus Library
Forest Park Campus Library
Meramec Campus Library
Wildwood Campus Library