Kosta Vojinović, known by his nickname Kosovac, was a Serbian soldier who fought in the Balkan Wars and World War I, most notably as a leader of the Toplica Uprising.
Vojislav Tankosić was a Serbian military officer, vojvoda of the Serbian Chetnik Organization, major of the Serbian Army, and member of the Black Hand, who participated in the May Coup and was accused
Vojislav Tankosić in Chetnik gear.
Chetniks during the Bosnian crisis (1908), Tankosić is noted as (1).
Some of the members of the Black Hand, Apis and Tankosić seen lying down.