Sept 11, 1919, Public Domain, and Cleveland Plain Dealer Newspaper, Sept 2, 1919, Public Domain
Lawson Aerial Transport C.1 or L-1 + Aerial shot of Lawson Aerial Transport C.2 or L-2 over Ohio; Image: Royal Aero Club of the UK "The Lawson Aerial Transport". Flight: the Aircraft Engineer & Airship Weekly. 37 XI (559): 1220–1222. Sept 11, 1919, Public Domain, and Cleveland Plain Dealer Newspaper, Sept 2, 1919, Public Domain