Elizabeth Sleeman: International Who’s Who of Authors and Writers 2004. Routledge, 2003, London, ISBN 1-85743-179-0, Billington, Michael, S.55 (google.com).
Michael Billington: Profile. In: Theatre & Performing Arts: The Blog.blogs.guardian.co.uk, 3. Oktober 2007, abgerufen am 6. Juni 2008.
Michael Billington: Where Professionals Fear to Tread. In: Michael Billington Blog.guardian.co.uk, Culture Vulture, 5. Juni 2006, abgerufen am 8. Juni 2008: „When I worked at Lincoln Theatre Royal in the early 1960s....“
Michael Billington: The Importance of Being Pinter. In: Michael Billington Blog.guardian.co.uk, 16. April 2007, abgerufen am 8. Juni 2008.
Theatre Schedule: Spring 2008: With Critic Michael Billington. In: Department of English London Program.english.upenn.edu, archiviert vom Original am 3. Juni 2008; abgerufen am 9. Juni 2008: „Fall 2006“ [Schedules of past academic semesters listed in reverse chronological order].
Benedicte Page: Books: Michael Billington: Taking Centre Stage. In: The Bookseller.thebookseller.com, 20. September 2007, archiviert vom Original (nicht mehr online verfügbar) am 14. Oktober 2007; abgerufen am 8. Juni 2008.
Felicity Wood: Faber Rushes Out Billington Ebook. In: thebookseller.com. The Bookseller, 7. Januar 2009, archiviert vom Original (nicht mehr online verfügbar) am 28. September 2011; abgerufen am 13. Januar 2009: „[Correction by Peter Scott:] Pinter was born in 1930, not 1939.“
Michael Billington: The Reviewer Reviewed. In: Comment Is Free.guardian.co.uk (Blog), 6. November 2007, abgerufen am 8. Juni 2008: „We all love seeing our work praised, but I most relish the well-aimed critical arrows. Honest.“ (7 moderated comments, with “comments now closed.”)
Paul Allen: Michael Billington, Stage Left. In: The Times Literary Supplement.timesonline.co.uk, Arts and Entertainment, 4. Juni 2008, abgerufen am 6. Juni 2008: „A new history of British theatre explores the relationship between theatre and politics.“ [Book rev.]
Andrew Haydon: Critical Thinking. In: The Times.timesonline.co.uk, 1. August 2007, abgerufen am 6. Juni 2008: „'In my second year at Oxford, I couldn't decide what career to pursue: I wasn't sure whether I wanted to be a director or a critic.' By the end of the festival Billington had decided to follow in Hobson’s footsteps; in 1965 he started working at the Times as a theatre, film and television reviewer. In 1971 he became drama critic for the Guardian, where he has remained ever since. Of Hobson, Billington says simply, 'he changed my life'.“
upenn.edu
english.upenn.edu
Penn English Program in London. In: Department of English London Program.english.upenn.edu, abgerufen am 9. Juni 2008: „The centerpiece of the program is the Penn Theatre course (ENGL068). Participants study with the renowned Guardian theater critic, Michael Billington, and visit the theater weekly as part of this course.“
Theatre Schedule: Spring 2008: With Critic Michael Billington. In: Department of English London Program.english.upenn.edu, archiviert vom Original am 3. Juni 2008; abgerufen am 9. Juni 2008: „Fall 2006“ [Schedules of past academic semesters listed in reverse chronological order].
Benedicte Page: Books: Michael Billington: Taking Centre Stage. In: The Bookseller.thebookseller.com, 20. September 2007, archiviert vom Original (nicht mehr online verfügbar) am 14. Oktober 2007; abgerufen am 8. Juni 2008.
Felicity Wood: Faber Rushes Out Billington Ebook. In: thebookseller.com. The Bookseller, 7. Januar 2009, archiviert vom Original (nicht mehr online verfügbar) am 28. September 2011; abgerufen am 13. Januar 2009: „[Correction by Peter Scott:] Pinter was born in 1930, not 1939.“