Answer Fella (January 2007), “Famous Birthdays, Girlfriend Advice & a Brief History of Toilet Paper” , Esquire 147 (1): p. 52, http://www.esquire.com/style/answer-fella/ESQ0107toiletpaper 11 July 2010閲覧。 Arkins, Diane C. (7 October 1994), “Consider Fallout of New Bath”, Chicago Sun-Times : p. 22N,...