. Bargatinov, Valery. Wings of Russia (Russian). Moscow: Eksmo, 2005. . Dorr, Robert F. B-29 Superfortress units of the Korean War. Botley, Oxford, UK: Osprey Publishing, 2003. . . Gordon, Yefim. "Soviet Air Power in World War 2". Hersham-Surrey, UK: Midland Publishing, 2008. . Grossman, Vasily. A Writer at War: Vasily Grossman with the Red Army 1941-1945. New York: Vintage Books, 2007 . . Gunston, Bill. The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey, 1995. . Keskinen, Kalevi et al. Suomen ilmavoimien historia 13 − Syöksypommittajat. (in Finnish)Forssa, Finland: Tietoteos, 1989. . Myles, Bruce. Night Witches: The Amazing Story Of Russia's Women Pilots in World War II. Chicago, Illinois: Academy Chicago Publishers, 1997. . Neuber, Claus. Marching From Defeat. Barnsley, UK: Pen and Sword Military, 2021. . Ogden, Bob. Aviation Museums and Collections of Mainland Europe (2nd edition). Toonbridge, Kent, UK: Air-Britain (Historians), 2009. . Szewczyk, Witold. Samolot wielozadaniowy Po-2 (TBiU #74). Warsaw, Poland: Wydawnictwo MON, 1981. . Velek, Martin. Polikarpov U-2/Po-2 (bi-lingual Czech/English). Prague, Czech Republic: MBI, 2002. External links Vintage WW II Soviet wartime winter flying video of Po-2s Po-2 Video from MAKS-2007 Shuttleworth's restored Po-2 flight demo Kermit Weeks' restored Po-2 flight video 1920s Soviet and Russian military trainer aircraft World War II Soviet reconnaissance aircraft Single-engined tractor aircraft Biplanes Po-2 Aircraft first flown in 1927 Glider tugs World War II aircraft of Finland 1930s Soviet and Russian agricultural aircraft