Columbia subject headings:
Harvard subject headings:
Lʹvivsʹka oblastʹ (Ukraine)--Description and travel.
Lʹvivsʹka oblastʹ (Ukraine)--History.
Princeton subject headings:
Lʹvivsʹka oblastʹ (Ukraine)--Civilization.
Lʹvivsʹka oblastʹ (Ukraine)--History.