Report of the Commissioner of the League of Nations in Bulgaria.
League of Nations.Commissioner to Supervise the Settlement of Bulgarian Refugees.
Geneva : League of Nations,
1926-
The 30th - 52nd reports are in French.
Title varies: 1st-25th, Settlement of Bulgarian refugees ... : report of the Commissioner of the League of Nations in Bulgaria (varies slightly); 26th- Report of the Commissioner of the League of nations in Bulgaria.
World War, 1914-1918
Reconstruction (1914-1939)