Bombers
JARRETT, Philip (ed.)
Aircraft of the Second World War - The Development of the Warplane 1939-45
Putnam's History of Aircraft
KESKINEN, Kalevi; STENMAN, Kari & NISKA, Klaus
Venalaiset Pommittajat - Soviet Bombers
SB-2/2bis /3/USB; DB-3M; Il-4; Pe-2/3
Study of WWII Soviet bombers in Finish service with photographs throughout and colour drawings.