Doolittle, James H. (Chairman, Natl Comm to Observe 50th Anniv of Powered Flight). Washington DC, 1953. 59pp, wrps, 8.5 x 11". 10 chapters, 30 statistical tables such as list of Curtiss pupils, aircraft deliveries WWI and WWII, 1920 aeronautical records, key events in transoceanic flight, official FAI world air records, etc. A wealth of data packed in a small space; a very valuable reference and the first one I have owned. About fair-good, cover soil but contents clean and sound.