Mirgaleev , I. M., and K. Z. Bagautdinova. “CATALOGUЕ FROM THE PAST: DESCRIPTION OF PROFESSOR N.A. TOLMACHEV’S COLLECTION OF COINS”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 6, Dec. 2017, pp. 147-8, https://www.evrazstep.ru/index.php/aes/article/view/284.