N. P Likhachev (1911)
Nekotorye stareishie tipy pechati vizantijskich imperatorov
Numizmaticheskiĭ sbornik, 1:497-539.
Bibliography, Byzantine coins, Bibliography, Byzantine seals
N. P Likhachev (1911)
Numizmaticheskiĭ sbornik, 1:497-539.