パシフィック・ガス・アンド・エレクトリック・カンパニー
↑ http://www.pgecorp.com/investors/pdfs/2007AnnualReport.pdf
↑ https://money.cnn.com/2001/04/06/news/pacificgas/
↑ https://www.cnn.co.jp/business/35131300.html
↑ Robertson, Adi (2019年5月15日). “Investigators confirm that PG&E power lines started the deadly Camp Fire”. The Verge. 2019年11月12日閲覧。
"The History of Gas Lighting in San Francisco" Pacific Gas and Electric Magazine Vol. 1 #3 August 1909
PG&E - A Report on the Companies Environmental Policies and Practices - Council on Economic Priorities - NY April 1994
Roe, David. Dynamos and Virgins. (New York: Random House, 1984.)