ماخذ: Sevcik, Otakar. Part I. General Introduction. Part V. Introduction to the Positions 2nd-7th. Op.11. Sevcik, Otakar.
ترجمه: Sevcik، Otakar. Part VIa. 2nd-7th Position Suppementary. Part VIb. 2nd-7th Position Suppementary. Sevcik، Otakar. Violin solo.
