William Leemann William Wilhelm Leemann with Curtiss Jenny Aircraft William Leemann 1920 in Texas, USA William, Wilhelm Leemann with friend Howard White, Winnebago Tribe William Wilhelm Leemann with friend Howard White Winnebago TribeHoward White Winnebago TribeHoward White Winnebago Tribe William, Wilhelm Leemann William Wilhelm Leemann works on engine OX5William Leemann (rechts) beim Kartoffeln schälenWilliam Wilhelm Leemann with Curtiss Jenny Aircraft
Urs UlrichUrs Ulrich
