The MLA International Bibliography  is produced by skilled indexers in the Bibliographic Services unit of the Modern Langauge Association (MLA).  As you might expect from the MLA connection, it is the place to go for research in the languages and literatures of the world.  What you might not know is that it also covers folklore, ethnomusicology, linguistics, critical theory, film and television, and pedagogy.  The MLA Bibliography staff have made several useful guides with in-depth advice on how to use the Bibliography to the utmost. These include short tutorial videos and an online mini-course called Using the MLA International Bibliography. There is even a video on how to find folklore in the Bibliography, which is embedded below.