BOOK REVIEWS: WELCHMAN
The Times - 20 December 2014
Monsters and Critics - 21 August 2014
Cryptologia - 20 December 2014
"...buy it... it is among the best of the myriad of books by or about the 'star performers' at Bletchley Park (BP) before and during those heady days of World War II and extending into the post-war period".
Army Rumour Service - 8 April 2017