Potez 37R2 Military Airplane. A Two-Place Long-Distance Observation Monoplane
Aircraft Circulars – National Advisory Committee for Aeronautics – nº 152
Washington, September, 1931
Retrieved in Internet Archive
Máquinas: Potez 37
Timeline: 1931
Aircraft Circulars – National Advisory Committee for Aeronautics – nº 152
Washington, September, 1931
Retrieved in Internet Archive
Máquinas: Potez 37
Timeline: 1931
