The pass into the valley of Struma (Strymon), near the town of Strumica.
The Pass into the Valley of the Strumica, near Strumica Town.
FALLS, Cyril Bentham. Military Operations Macedonia from the outbreak of war to the spring of 1917. [... From the spring of 1917 to the end of the war.], vols. Ι-ΙΙ, London, HMSO, 1933-35.
Hellenic Library - Alexander S. Onassis Public Benefit Foundation