Ukraine, the land and its people

by Stepan Rudnytskyi

Olexiyivka, [332].

Olhopil, [135], [284], [322].

Oligocene, [276].

Olviopol, [136].

Ondava, [65].

Ontario, [127].

Opilye, [40].

Opir, [27] ff., [67], [311].

Oposhnia, [329].

Oprishki, [224].