BOOK SOURCES
Knoedelseder, William. Fins: Harley Earl, the Rise of General Motors, and the Glory Days of Detroit. Illustrated, Harper Business, 2018.
Temple, David. The Cars of Harley Earl. Illustrated, CarTech, 2016.
WEB SOURCES
https://www.prewarbuick.com/features/why_the_y_job
https://www.hemmings.com/stories/article/the-art-and-colour-of-gm/amp
https://www.architecture.org/learn/resources/architecture-dictionary/entry/1933-1934-century-of-progress-exposition/
https://www.hagerty.com/media/archived/cadillacs-game-changing-tailfins/
https://www.hagerty.com/media/automotive-history/harley-earls-gm-styling-team-illustrated-a-pilot-training-manual-in-wwii-and-its-brilliant/
https://www.hemmings.com/stories/2015/05/04/earl-automobile-works-and-don-lee-coach-body-works-the-coachbuilder-that-begat-the-most-important-man-in-car-design#&gid=1&pid=10