Wisconsin Beautiful: Official Handbook. Country Beautiful Foundation. 1966. Retrieved 4 March 2018. companies traced their ancestry back to wagons, carriages, wooden iceboxes, bicycles, the famed World War I 4-wheel drive Quad.
Buckner, David N. (1981). Marine Corps Historical Division (ed.). A Brief History of the 10th Marines(PDF). Washington D.C.: United States Marine Corps. 19000308400. Retrieved 3 March 2018.