Byzantine and Rus' seals - Ivakin, G. Ju. (Gleb Jur'evič); Chrapunov, Nikita Igorevič; Seibt, Werner, 1942- (The Sheremetievs' Family Museum of Historical and Cultural Rarities : The Ukrainian National Committee for Byzantine Studies, 2015)
Proceedings of the international colloquium entitled 'Sphragistic Meridian: Kyiv-Cherson-Constantinople' held in Kyiv in September 2013.