Bureau of Air Commerce (U.S. Department of Commerce) report the crash of a Monocoupe aircraft on 20 June 1935
Bureau of Air Commerce (U.S. Department of Commerce)
1935
National Transportation Library, U.S. Department of Transportation. <a rel="nofollow" class="external free" href="https://rosap.ntl.bts.gov/view/dot/32953">https://rosap.ntl.bts.gov/view/dot/32953</a> DOI: 10.21949/1500055