Columbia subject headings:
Balkan Peninsula--History--War of 1912-1913.
Balkan Peninsula--Relations--Romania.
Romania--History--1914-1918.
Romania--Relations--Balkan Peninsula.
Harvard subject headings:
Balkan Peninsula--History--War of 1912-1913--Sources.
Balkan Peninsula--Relations--Romania--Sources.
Maiorescu, Titu, 1840-1917.
Romania--Relations--Balkan Peninsula--Sources.
Princeton subject headings:
Balkan Peninsula--History--War of 1912-1913--Sources.
Balkan Peninsula--Relations--Romania--Sources.
Maiorescu, Titu, 1840-1917.
Romania--Relations--Balkan Peninsula--Sources.