Theme Parks, Public Space (Ashgate Publishing 2006) ISBN 0-7546-4333-6 ^ Claudia Puttkammer/ Sacha Szabo: Gruß aus dem Luna-Park. Eine Archäologie des Vergnügens
historical development of computers”. internetlooks.com. 2019年10月17日閲覧。 ^ Levy, Claudia (December 15, 2001). “Frances Holberton, 84; Pioneer Programmer of Early
res=9E01E0DA1F3FF930A2575AC0A96E958260 October 25, 2007閲覧。 ^ a b c d Puig, Claudia (September 18, 2002). “Witherspoon's 'Sweet Home'”. USA Today. http://www