Developed cooperatively with scholars and librarians worldwide, Oxford Bibliographies Online (OBO) provides authoritative research guides. Combining the best features of an annotated bibliography and a high-level encyclopedia, this cutting-edge resource guides researchers to scholarship across a wide variety of subjects. Updated regularly, with 50-75 articles added per year to each subject area, some of the areas available now include: Anthropology, Atlantic History, Classics, Communication, Criminology, International Relations, Islamic Studies, Medieval Studies, Music, Philosophy, Renaissance and Reformation, Social Work, Sociology, Victorian Literature, and more.