MLA International Bibliography This link opens in a new windowThe MLA International Bibliography, produced by the Modern Language Association (MLA), is a subject index for books and articles published on modern languages, literatures, folklore, and linguistics. This electronic version of the Bibliography dates back to 1926 and contains over 1.7 million citations from more than 4,400 periodicals (including peer-reviewed e-journals) and 1,000 book publishers.