Innlemmet i Shetlandsgjengen: 16.4.1942, nr. c081.
Antall turer: ---.
Overført annen virksomhet: 1.3.1943.
The National Archives, Kew, HS 9/1431/3:
A "Norwegian named Hartvig Sverdrup, of Reine, Lofoten, who was brought to this country after the recent Lofoten raid. He is aged 28 and is a fish wholesaler and factory owner."
«Shetlandsgjengen. Heltene i Nordsjøen», Asgeir Ueland, 2017.
The National Archives, Kew, HS 9/1431/3