ARBAOnline is a collection of librarian-written reviews of over 20,000 reference works. It covers works from more than 400 publishers in over 500 subject areas. The main categories of resources reviewed include dictionaries, encyclopedias, indexes, directories, bibliographies, guides, concordances, atlases, gazetteers, yearbooks, almanacs, indexing and abstracting services, and other ready-reference materials. (Updated monthly)
English-language reference resources published in the United States and Canada.