Columbia subject headings:
Harvard subject headings:
Albania--Boundaries--Yugoslavia--Serbia--History--Sources.
Albania--Ethnic relations--History--Sources.
Kosovo (Republic)--Ethnic relations--History--Sources.
Serbia--Boundaries--Albania--History--Sources.
Princeton subject headings:
Albania--Boundaries.
Albania--Foreign relations--Sources.
Albania--Maps.
Balkan Peninsula--Politics and government--19th century--Sources.
Balkan Peninsula--Politics and government--20th century--Sources.
Eastern question (Balkan)--Sources.
Kosovo (Serbia)--Boundaries.
Kosovo (Serbia)--Foreign relations--Sources.
Kosovo (Serbia)--Maps.
Maps.