[en] [The WPA Guide to the City 01] • Los Angeles in the 1930s University of California Press
[en] [American Guide Series 01] • California in the 1930s University of California Press
[en] Federal Writers' Project · A Bibliography Scarecrow Press
[en] Pilot's Handbook of Aeronautical Knowledge Skyhorse
[en] Airplane Flying Handbook Skyhorse
[en] Advanced Avionics Handbook Independently Published
[en] The Global Positioning System · A Shared National Asset National Academies Press
[en] Far/aim 2020 Skyhorse