WGBH Editorial Guidelines on Journalistic Standards and Practices	https://wgbh.brightspotcdn.com/7f/8c/3b1b92ad478f93896d44a428f108/wgbh-editorial-guidelines.pdf
WGBH Editorial Guidelines (American Experience)	https://www.pbs.org/wgbh/americanexperience/wgbh-editorial-guidelines/
Editorial Standards and Ethics (Frontline)	https://www.pbs.org/wgbh/frontline/about-us/editorial-standards-and-ethics/