Davies, R.E.G. Airlines of the United States since 1914. London, Putnam, 1972. 745pp, illus, dj in mylar. Inscribed by authoron half title page. This is the definitive work on the airlines in the U.S. and is a "must" for every aeronut's library. This volume about good with some wear to edges of cloth cover and toning of DJ spine.