Goshkevich, pp. 41, 73, Stempkovskii, Bibliograficheskie listy 24 (St. Petersburg, 1825, publ. 1826), p. 336 = Journal de St. Petersbourg 1825, p. 506, no. 118
Karyszkowski, Pratsi Odes'kogo Derzhavnogo Universiteta, 149, Seriia istorichnikh nauk, issue 7 (Odessa, 1959), pp. 138-42 (in Ukrainian) (14 coins only); further information from Karyszkowski