Columbia subject headings:
Serbia--History--1918-
Srpska pravoslavna crkva.
Yugoslavia--History--1918-1945--Sources.
Harvard subject headings:
Serbia--History--1918-1945.
Srpska pravoslavna crkva.
Yugoslavia--History--1918-1945--Sources.
Princeton subject headings:
Gavrilo, Patriarch of Serbia, 1881-1950.
Orthodox Eastern Church--Yugoslavia--Serbia--Bishops--Biography.
Serbia--Biography.
Serbia--Church history.
Srpska pravoslavna crkva--Bishops--Biography.