Gorelik, M. V. Letter to the editorial board Written by Сосницкий Дмитрий Александрович on 02 July 2015.
Igina Yu. F. The casus of Ivan the Terrible helmet: To the problem statement Written by Сосницкий Дмитрий Александрович on 22 December 2014.
Igina, Yu. F. On dynastic helmets, chichaks and caps: in response to S. N. Bogatyrev’s article «The helmet of Ivan the Terrible in the context of the court culture» Written by Сосницкий Дмитрий Александрович on 02 July 2015.
Lavrentyev A. V. If «Helmet of Ivan the Terible» was belonged to Ivan the Terrible? Written by Сосницкий Дмитрий Александрович on 22 December 2014.