Russian air bogatyri I. I. Sikorsky

Finn, Konstantin Nikolaevich (1878-1956).Russian Bogatyri I. I. Sikorsky: ITERALIALS for the history of Russian aviation with 88 photos in the text / K. N. Finn.- Belgrade: [b.and.], 1930. -186, [2] p.: Il., Port .. -Dedicated to the memory of the ranks of the sesters of aircraft killed in the performance of their debt.Part of the text in English.Bibliography in substitution notes..1. Russian invention: history pages (collection).2. People (collection).3. Sikorsky military aircraft.BBK 68.52-1.BBK 68.52 (2) -1BBK 63.3 (28) 5Electronic Source: PBOriginal Storage Place: NB Garf