Center for the History of Music Theory and Literature (CHMTL)"A joint venture of Indiana University's School of Music and the Office of Research and the University Graduate School, the Center for the History of Music Theory and Literature (CHMTL)." This web site offers searchable texts from Thesaurus Musicarum Latinarum, Texts on Music in English from the Medieval and Early Modern Eras, Traités français sur la musique, Greek and Latin Music Theory, and more.