doi:10.7916/72x2-6s16Grand Duke Igor Konstantinovich and Other Pages at Restphotographsstill imageIgorʹ Konstantinovich, Prince, son of K. R. (Konstantin Romanov), Grand Duke of Russia, 1894-1918Pazheskīĭ Ego Imperatorskago Velichestva korpus (Russia)Photograph, Grand Duke Igor Konstantinovich (1894-1918) with medals and crosses and other Pages at rest