Bulgaria 1:100,000 /
Great Britain.War Office.General Staff.Geographical Section.
Great Britain.Ordnance Survey.
London : War Office,
1944.
Includes glossaries.
Mediterranean Zone grid.
Graphic index in central GSGS file (covers parts of southern Bulgaria only)
Sheet 34. Belitsa -- sheet 35. Bankso -- sheet 37. Smolyan -- sheet 38. Ardino.