PAIS Index Indexed coverage of issues in the public debate through highly selective coverage of a wide variety of sources, including journal articles, books, government documents, statistical directories, grey literature, research reports, conference papers, publications of international agencies, microfiche, Internet material and more. The database includes a historical perspective on many of the 20th century's social and public policies such as Prohibition, the civil rights movement, McCarthyism, Vietnam and Watergate.