Wydawnictwo Peter Peregrinus Limited od 2006 wydaje w imieniu IET The Institution of Engineerin and Technology z siedzibą w Stevenage.

Kp. Power circuit breaker theory and design / ed. by C. H. Flurscheim. - Stevenage, 1975. S. tyt.: (Peter Peregrinus LTD. on behalf of the Institution of Electrical Engineers)

Companies in the UK, 16.04.2014 r. http://www.companiesintheuk.co.uk/ltd/peter-peregrinus

IET, 16.04.2014 r. http://www.ppl.co.uk/

ISBN DB, 16.04.2014 r. http://isbndb.com/publisher/peter_peregrinus_ltd