Operation Catechism (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Operation Catechism" in English language version.

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thegazette.co.uk

"Tirpitz Museum". Tirpitz Museum. Archived from the original on 19 February 2019. Retrieved 16 August 2019.

Langenberg 1981, p. 91. Langenberg, William H. (July–August 1981). "The German Battleship "Tirpitz": A Strategic Warship?". Naval War College Review. 34 (4): 81–92.

Mjaaland, Ola (13 July 2013). "Her ligger «Tirpitz» 70 år etter" (in Norwegian). Verdens Gang. parts of Tirpitz lie in the streets of Oslo. "It's the strongest plate we have in the Water&Sewage department", says engineer Dominic Henshaw in Oslo Municipality

"Tirpitz Museum". Tirpitz Museum. Archived from the original on 19 February 2019. Retrieved 16 August 2019.

Roskill 1961, p. 161. Roskill, S.W. (1961). The War at Sea 1939–1945. Volume III: The Offensive Part II. History of the Second World War. London: Her Majesty's Stationery Office. OCLC 59005418.
Roskill 1961, p. 168. Roskill, S.W. (1961). The War at Sea 1939–1945. Volume III: The Offensive Part II. History of the Second World War. London: Her Majesty's Stationery Office. OCLC 59005418.
Ellis & Warhurst 1968, p. 129. Ellis, L.F.; Warhurst, A.E. (1968). Victory in the West. Volume II: The Defeat of Germany. History of the Second World War. London: Her Majesty's Stationery Office. OCLC 177760.