Victor Bulla, 1917, 4 July, Petrograd, Street demonstration on Nevsky Prospekt just after troops of the Provisional Government have opened fire with machine guns., Photographic print, Creative Commons - Wikipedia, LL/47054
Victor Bulla 1917, 4 July Petrograd, Street demonstration on Nevsky Prospekt just after troops of the Provisional Government have opened fire with machine guns.
Photographic print Creative Commons - Wikipedia Published in Edward Alsworth Ross, The Russian Bolshevik revolution (1921)
