HAPI Online (Hispanic American Periodicals Index) This link opens in a new windowHAPI Online is the searchable Web version of the Hispanic American Periodicals Index. HAPI is your source for authoritative, worldwide information about Central and South America, Mexico, the Caribbean basin, the United States-Mexico border region, and Hispanics in the United States. From analyses of current political, economic, and social issues to unique coverage of Latin American arts and letters, HAPI Online contains complete bibliographic citations to articles, book reviews, documents, original literary works, and other materials appearing in more than 400 key social science and humanities journals published throughout the world.