1. Sverchkov L. M. Tokharians: Ancient Europeans in Central Asia. Tashkent: SMI-Aziia, 2012. — 240 p. (in Russian).
2. Roerich N. K. Altay – Himalaya. Moscow: Sfera, 1999. — 528 p. (in Russian).
3. Roerich G. N. Tocharian Problem. Narody Azii i Afriki. 1963. No. 6. Pp. 118–123 (in Russian).
4. Roerich G. N. The Memory of Tocharians in Tibet. Short Theses of the Institute of the Peoples of Asia. 1964. No. 65. Pp. 140–143.
5. Roerich G. N. A Letter to Paris University (1921). Roerich G. N. Proceedings of Jubilee Conference. Moscow: International Centre of the Roerichs, 1994. P. 9 (in Russian).
6. Roerich G. N. The Cultural Unity of Asia. Roerich G. Tibet and Central Asia. M. I. Vorob'ova-Desyatovskaya (Ed.). Samara: Agni, 1999. Pp. 20–27 (in Russian).
7. Roerich G. N. Correspondence. Vol. 1. 1919–1935. Moscow: International Centre of the Roerichs, 2002a — 352 p. (in Russian).
8. Roerich G. N. The Letter to N. K. and E. I. Roerich. 11.08.1922. Nicolas Roerich Museum, New York. Autograph. V. A. Rosov. Salad Years of George Roerich (1918–1923). Vestnik Ariavarty. 2002b. No. 2. Pp. 11–27 (in Russian).
9. Roerich G. N. Buddhism and the Cultural Unity of Asia. Buddhism and the Cultural Unity of Asia. Moscow, International Centre of the Roerichs, 2002с. Pp. 10–13. (in Russian).
10. Pelliot P. Tokharien et Koutcheen. Journal Asiatique. Vol. CCXXIV. 1934. Pp. 23–106.
11. Sieg E., Siegling W. Tocharisch, die Sprache der Indoskythen. Vorläufige Bemerkungen über eine bisher unbekannte indogermanische Literatursprache. Sitzungsberichte der Königlich Preußischen Akademie der Wissenschaften. Berlin, 1908. S. 915–932.
12. Sieg E., Siegling W., Schulze W. Tocharische Grammatik. (Nur für Tocharisch A.) Göttingen: Vandenhoeck & Ruprecht, 1931. — 518 р.