ML 196 -- Music History and Criticism, 1800-1900
ML 197 -- Music History and Criticism, 1900-
ML 270 - ML 270.9 -- Music History and Criticism by region, France
ML 410 -- Biographies of composers (Debussy, etc.) in alphabetical order
ML 410 .D28 C184 -- Cahiers Debussy (Journal in French) 1974-present
ML 497 -- Instruments and Instrumental Music, France
Use back-of-the-book INDEXES to search for "Impressionism" or "French Impressionism"