The summits of Sokol, Gorni Pojr and Belo Grotlo in the central part of the front.
The Sokol, looking north-west from the heights above Gorgni Pojar. On the left, the slopes of the Belo Grotlo.
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.
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