Samgitaratnakara of Sarngdeva Vol. I (Adhyaya 1 in Sanskrit)
Adyar Library and Research Centre
Adyar Library Series 30 - Music
Ed. by Pt. S. Subrahmanya Sastri, Revised by Smt S. Sarada
An important and authoritative 12th century treatise on Indian musical theory summarizing all earlier works. With The Kalanidhi of Kallinatha and The Samgitasudhakara of Simhabhupala. Adhyaya 1, Svaragatadhyaya (Notes and Scales) with index of verses.