Prichiny Smutnago Vremeni Moskovskago gosudarstva v XVI i XVII v. i otrazhenie ego na Pskovi︠e︡ /
Platonov, S. F.(Sergeĭ Fedorovich),1860-1933.
Ushakov, F. A.
Pskov : Izdanie Pskovskago Arkheologich. Obshchestva,
1900.
At head of title: F.A. Ushakov.