The Slavs of the war zone /

by Bailey, William Frederick, 1857-1917
Published 1917

Slavia Orientalis /

Published 1957

Istorii︠a︡ i kulʹtura slavi︠a︡nskikh narodov : polʹskoe osvoboditelʹnoe dvizhenie XIX-XX vv. i problemy istorii kulʹtury /

Published 1966

Początki Polski ; z dziejów Słowian w I tysiącleciu n.e.

by Łowmiański, Henryk
Published 1963