Editing Colossus computer (section)

==Further reading==
* {{Citation | last1 = Campaigne | first1 = Howard  | last2 = Farley | first2 = Robert D. | title = Oral History Interview: NSA-OH-14-83 Campaigne, Howard, Dr. 29 June 83 Annopalis, MD By: Robert G. Farley | publisher = National Security Agency | date = 28 February 1990 | url = https://www.nsa.gov/news-features/declassified-documents/oral-history-interviews/assets/files/nsa-oh-14-83-campaigne.pdf | access-date = 16 October 2016}}
* {{YouTube|id=knXWMjIA59c|title=Colossus: Creating a Giant }} A short film made by Google to celebrate Colossus and those who built it, in particular Tommy Flowers.
* {{Citation | last = Cragon | first = Harvey G. | title = From Fish to Colossus: How the German Lorenz Cipher was Broken at Bletchley Park | place = Dallas | publisher = Cragon Books | year = 2003 | isbn = 0-9743045-0-6 }} – A detailed description of the cryptanalysis of Tunny, and some details of Colossus (contains some minor errors)
* {{Citation | last = Enever | first = Ted | title = Britain's Best Kept Secret: Ultra's Base at Bletchley Park | publisher = Sutton Publishing, Gloucestershire | year = 1999 | edition = 3rd | isbn = 978-0-7509-2355-2 }}
:::A guided tour of the history and geography of the Park, written by one of the founder members of the Bletchley Park Trust
* {{cite book |last= Gannon |first= Paul |title= Colossus: Bletchley Park's Greatest Secret  |accessdate=  |edition=  |origyear=  |year= 2006 |publisher= Atlantic Books |location= London |isbn= 1-84354-330-3 |oclc= |page= |pages=  }}
* {{cite book |last=Price |first=David A. |title=Geniuses at War; Bletchley Park, Colossus, and the Dawn of the Digital Age|date= 2021 |publisher=Knopf |location=New York |isbn=978-0-525-52154-9 |url=https://www.kirkusreviews.com/book-reviews/david-a-price/geniuses-at-war/}}
* {{Citation | last1 = Rojas | first1 = R. | last2 = Hashagen | first2 = U. | title = The First Computers: History and Architectures | publisher = MIT Press | year = 2000 | isbn = 0-262-18197-5}} – Comparison of the first computers, with a chapter about Colossus and its reconstruction by Tony Sale.
* {{citation|author-link=Tony Sale|last=Sale|first= Tony|title=The Colossus Computer 1943–1996: How It Helped to Break the German Lorenz Cipher in WWII|publisher=M.&M. Baldwin|location= Kidderminster|year= 2004|isbn= 0-947712-36-4}} A slender (20-page) booklet, containing the same material as Tony Sale's website (see below)
* {{Citation | last = Smith | first = Michael | author-link = Michael Smith (newspaper reporter) | title = Station X: The Codebreakers of Bletchley Park | edition = Pan Books | series = Pan Grand Strategy Series | year = 2007 | orig-year = 1998 | publisher = Pan MacMillan Ltd | location = London | isbn = 978-0-330-41929-1 }}