Little, Ricky. "A comparative study of "Le Barbier de Seville", the original play, and the two operas, "Il Barbiere di Siviglia" by Giovanni Paisiello and Goachino Rossini." Doctoral dissertation, Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487261553057188Chicago Manual of Style (17th edition)