Credo Reference provides access to a large number of encyclopedias, dictionaries, thesauri and other reference books. Subjects covered include art, biography, history, literature, music, religion, and science and technology.
Hard copies of reference books, like encyclopedias, dictionaries and handbooks, are located in the ReadyRef area, on the 1st floor of the O'Toole Library.
Encyclopedia of the History of Astronomy and Astrophysics by 
