«John Hertz's Widow Dies at 82 in Florida». Chicago Tribune. 5. februar 1963. Arkivert fra originalen 31. januar 2013. Besøkt januar 2010. «Mrs. Hertz, whose husband founded the Yellow Cab company and developed the Hertz Rent-a-car system, also helped him develop one of America's leading ...»Sjekk datoverdier i |besøksdato= (hjelp)
the Rosehill Cemetery (Chicago, Illinois).
coachbuilt.com
«Gas-Electric Motorbus Co., Roland Gas-Electric Vehicle Co., New York Motor Bus Co.,...». Coachbuilt. «1925 - Hertz is today president of the Yellow Cab Company; chairman of the board of the Yellow Truck and Coach Manufacturing Company; chairman of the Omnibus Corporation of America; chairman of the Chicago Motor Coach Company; chairman of the Fifth Avenue Coach Company; chairman of the New York Transportation Company; chairman of the Yellow Coach Manufacturing Company; chairman of the Yellow Sleeve-Valve Engine Works, Inc.; and chairman of the Benzoline Motor Fuel Company»
«John Hertz's Widow Dies at 82 in Florida». Chicago Tribune. 5. februar 1963. Arkivert fra originalen 31. januar 2013. Besøkt januar 2010. «Mrs. Hertz, whose husband founded the Yellow Cab company and developed the Hertz Rent-a-car system, also helped him develop one of America's leading ...»Sjekk datoverdier i |besøksdato= (hjelp)
the Rosehill Cemetery (Chicago, Illinois).