Rules and regulations of the 1922 Rhoen Soaring Flight Contest
The Dornier "Do.X" flying boat (German) : a giant high-wing monoplane
Relation Between the Stability Characteristics and the Controllability of German Airplanes
The Effects of Slots and Flaps on Lateral Control of a Low-wing Monoplane as Determined in Flight
The Effect on Lift, Drag, and Spinning Characteristics of Sharp Leading Edges on Airplane Wings