Unidentified photographer (Russian) 1936 [Nikolai Antipov, Stalin, Sergei Kirov, and Nikolai Shvernik in Leningrad, 1926] in S.M. Kirov Album, 1886-1934 (Leningrad, 1936)
Private collection of David King Reproduced in David King,"The Commissar Vanishes: The Falsification of Photographs and Art in Stalin's Russia," (New York: Metropolitan Books, 1997), p. 104.
