GVRL provides reference titles in many subjects including Arts, Biography, Business, Education, Environment, General Reference, History, Information and Publishing, Law, Library Science, Literature, Medicine, Multicultural Studies, Nation and World, Religion, Science, Social Science, and Technology
The MLA International Bibliography offers a detailed bibliography of journal articles, books and dissertations. Indexing dates back to 1926 and includes more than 4,400 journals & series, and 1,000 book publishers. Coverage is international and subjects include literature, language and linguistics, folklore, literary theory & criticism, dramatic arts, as well as the historical aspects of printing and publishing. Listings on rhetoric and composition and the history, theory and practice of teaching language and literature are also included
Birds of The World (BOW) contains 10,721 species accounts from every bird species in the world and is an entirely new scientific publication that merges and enhances content, data, multimedia, figures, and illustrations from four different ornithological volumes: Birds of North America (BNA), Neotropical Birds, Handbook of Birds of the World (HBW Alive), and Bird Families of the World.