Originál: Sevcik, Otakar. 12 Major Scales. School of Intonation on an Harmonic Basis for Violin. Op.11. Sevcik, Otakar. Violin solo.
Překlad: Ševčík, Otakar. Ševčík, Otakar. Part I. General Introduction. Part IIa. The Semitone and Tritone. Part IIb. The Semitone and Tritone.