Quoted by NPR http://www.npr.org/2016/10/28/499796182/british-comedian-tracey-ullman-brings-celebrity-impersonations-to-hbo in 2016, on what what drives her to do impersonations
Tracey Ullman: Quotes about thinking
Tracey Ullman is English-born actress, comedian, singer, dancer, screenwriter, producer, director, author and businesswoman. Explore interesting quotes on thinking."Q&A: Tracey Ullman" http://www.newsweek.com/newsmakers-127011 (Newsweek, 19 September 2004)
"Tracking Tracey" http://www.dareland.com/emulsionalproblems/ullman.htm (Interview, January 1989)
Quoted in 2015 in The Hollywood Reporter https://www.hollywoodreporter.com/news/tracey-ullman-bbcs-female-revolution-830223
Quoted in 2009 in The Many States of Tracey Ullman https://tracey-archives.tumblr.com/post/119868522838/the-many-funny-states-of-tracey-ullman