Istambul (Constantinople), North K. 35 : Carte No. 2 Thrace.1918"War Office, Jan.y. 1912. Revised Jan.y. 1916. Boundary revised Nov.r. 1918."Include notes, adjoining-sheet index diagram, coverage map, pronunciation glossary, list of source-material "Authorities", and hypsometric tint diagram in margins.Shows "Fronticartographic