Columbia subject headings:
Hungary--History--1867-1918.
Ruthenians--History.
Ruthenians--United States--History.
Zakarpatsʹka oblastʹ (Ukraine)--History.
Harvard subject headings:
Hungary--History--1867-1918
Ruthenians--History.
Ruthenians--United States--History.
Zakarpatsʹka oblastʹ (Ukraine)--History.
Princeton subject headings:
Hungary--History--1867-1918.
Ruthenians--History.
Ruthenians--United States--History.
Zakarpatsʹka oblastʹ (Ukraine)--History.