| Class A-G | General Works. Philosophy. Psychology. Religion. History. Geography. Anthropology. Recreation |
| Class H-L | Social Sciences. Political Science. Law. Education |
| Class M1-999 | Collections. Solo Instruments. Media Music. Two or More Solo Instruments |
| Class M1000-1160 | Orchestra. String Orchestra |
| Class M1200-1490 | Band. Fife (Bugle) and Drum Music. Dance Orchestra and Instrumental Ensembles |
| Class M1495-1626 | Secular Vocal Music. Opera. Choruses |
| Class M1627-1998 | National Music. Popular Music. Popular Songs |
| Class M1999-2199 | Sacred Vocal Music |
| Class ML-MT | Literature on Music. Musical Instruction and Study |
| Class N-P | Fine Arts. Language and Literature |
| Class Q-Z | Technology. Military Science. Naval Science. Bibliography. Library Science |
