xrefer - Overview What is xrefer?
xrefer is a giant online reference library, in fact, all the reference books that you’d expect to find in any good reference library. xrefer 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. To find out about the titles in xrefer, look at the list of titles by topic.