Credo Reference is an online reference library that provides you with access to a selection of 150 reference books and over 200,000 related images. It includes encyclopedias, dictionaries, thesauri and books of quotations, not to mention a range of subject-specific titles covering everything from art to accountancy and literature to law.
Ulrichsweb is an easy to search source of detailed information on more than 300,000 periodicals (also called serials) of all types: academic and scholarly journals, e-journals, peer-reviewed titles, popular magazines, newspapers, newsletters, and more.
WorldCat is a worldwide union catalog created and maintained collectively by more than 9,000 member institutions. It contains millions of online records built from the bibliographic and ownership information of contributing libraries.