Columbia subject headings:
Bulgaria--Church history--Historiography.
Bulgaria--Church history.
Bulgaria--Politics and government--1878-1944.
Nationalism--Bulgaria.
Nationalism--Religious aspects--Christianity.
Socialism and religion--Bulgaria--History.
Harvard subject headings:
Bulgaria--Historiography.
Bulgaria--Politics and government.
Bulgaria--Religion.
Princeton subject headings:
Bulgaria--Historiography.
Bulgaria--Politics and government.
Bulgaria--Religion.