4. MULTIPLE DIVISION BASED ON 12 TONE TEMPERAMENT
5. EQUAL TEMPERAMET BASED ON FIFTHS AND THIRDS
6. UNUSUAL SUGGESTIONS FOR EQUAL TEMPERAMENT
7. MULTIPLE DIVISION WITHOUT EQUAL TEMPERAMENT
8. THE ANTECEDENTS AND EARLY ADVOCACY OF 19-TONE TEMPERAMENT
12. AN ACOUSTICAL COMPARISON OF 19-TONE SYSTEMS
13. GENERAL DISCUSSION OF METHODS FOR CHOOSING A SYSTEM OF MULTIPLE DIVISION AND SOME CONCLUSIONS
SUPPLEMENT: THE GENERALIZED KEYBOARD, GLOSSARY, BIBLIOGRAPHY
