The monograph on the WW2 German bombers Dornier Do 17 and Dornier Do 215 discusses their design, development and operational history. Each variant is specified

Although one of the Luftwaffe's lesser-known front line aircraft, the Dornier Do 215, descended from the Dornier Do 17, saw service in a wide range of roles, in

The Do 217 had a much larger bomb load capacity and had considerably greater range than the Do 17, which it replaced in frontline service from mid to late 1941.