1940s Columbia WW2 U.S. Navy Men's Bicycle | www.Oldbike.eu
G. Ērenpreis Bicycle Factory - Wikipedia
1940-41 (I believe) CWC Roadmaster Bicycle : r/vintagebicycles
Hawthorne questions : r/vintagebicycles
Bike of the Week: Lucky Custom's “Cheetah”
SUN - Premier 1940 - Bicycles / Archive - Sold / Archive - Sold / Archive - ŠTĚRBA-BIKE.cz
1940s Columbia Wartime Men's Bike (American) | www.Oldbike.eu
Timeline - Contributions and Crossroads: Our National Road System's Impact on the U.S. Economy and Way of Life (1916- 2016) | Federal Highway Administration