Gale eBooks: Virtual Reference Library Gale ebooks is a database of encyclopedias and specialized reference sources for multidisciplinary research. These reference materials once were accessible only in the library, but are now accessible online from the library or remotely 24/7. Because each library creates its own eBook collection, the content you see may vary if the database is accessed from different libraries (your school, your public library, or your office). Encyclopedias and specialized reference resources in: Arts, Biography, History, Information and Publishing, Law, Literature, Medicine, Multicultural Studies, Nation and World, Religion, Science, Social Science.