The World-Wide Web site also includes background information about the objects. The current database includes titles from Ecology, Economics, History, Political Science, and Population and Demography. Future subject coverage will include titles from Mathematics, Philosophy, and Sociology. Access restricted to Yale. Links to news stories published on the web by various newspapers and wire services.
Some services require registration, but all are gratis.
Full-text access to a web magazine published by the Smithsonian Institution.