The MLA International Bibliography is a subject index for books and articles published on modern languages, literatures, folklore, and linguistics. It is produced by the Modern Language Association (MLA), an organization dedicated to the study and teaching of language and literature. The electronic version of the Bibliography dates back to 1963 and contains over 1.6 million citations from more than 4,400 periodicals (including peer-reviewed e-journals) and 1,000 book publishers.