• Secrets of the Little Blue Box (1971) http://www.lospadres.info/thorg/lbb.html 5 comments 14/10/2014
• Secrets of the Little Blue Box (1971) http://www.lospadres.info/thorg/lbb.html 4 comments 26/7/2008
• The article that inspired Steve Jobs: “Secrets of the Little Blue Box” http://www.slate.com/articles/technology/the_spectator/2011/10/the_article_that_inspired_steve_jobs_secrets_of_the_little_blue_.html 8 comments 10/10/2011