Original Documents from the National Archives, Kew : Other Intelligence

     Photos, plans, interrogation of prisoners, agent reports, notices in german newspapers,
     letters to and from Germany, captured documents from salved german submarines : any kind
     of information about german navy units was collected and analyzed.



   ADM 186/407 - German Navy, Submarines, April 1918 :

     Submarine types, 2 pages


     Photos : U-boats, pre-war designs, 5 photos

     Photos : U-boats, 6 photos

     Photos : U-cruiser, 3 photos

     Photos : UB- and UC-boats, 4 photos


     Plans : U 57-62 Class

     Plans : U 66-70 Class

     Plans : UB 18-47 Class

     Plans : UB 103-109 Class

     Plans : UC 1-15

     Plans : UC 16-79 Class

     Plans : UC 16-79 Class, Arrangements of the ballast tanks

     Plans : UC 16-79 Class, Oil Fuel Leads

     Plans : UC 16-79 Class, Ventilation arrangements

     Plans : U 139-142 (U-cruisers)



   ADM 137/3898 - UC 48-94: papers concerning details of vessels, interrogation of survivors, photographs :

     Photos : UC 48, in dock, 5 photos

     Photos : UC 56, interned in Santander, Spain, March 1918, 4 photos



   ADM 137/3060 - Interrogations of survivors of captured and sunk German submarines

     German Fleet Bases, 5 maps

     Submarine Cruises, 4 maps



   ADM 137/3899 - UB1-UB47: Miscellaneous notes and letters of crews :

     Deserted carrier pigeon from UB 6, 3 pages
       UB 6 sends 23.11.1915, 08:30 a.m. a carrier pigeon back to
       Zeebrugge, asking the harbour locks to be ready at 02:30 p.m.
       The pigeon was found at Calais the 26.11.1915.



   ADM 116/1513 - German S/M - Survivors 1916-17 :

     UC 44, Kptlt. Kurt Tebbenjohanns, Aug 1917, part I, 6 pages

     UC 44, Kptlt. Kurt Tebbenjohanns, Aug 1917, part II, 10 pages

     U 48, Nov 1917, part I, 16 pages

     U 48, Nov 1917, part II, 13 pages



   ADM 137/3897 - UC 16 - UC 44: interrogation of survivors, translations of German officer's diary, and letters of prisoners of war :

     UC 32, Acting Warrant Officer Bernhard Haack, 8 pages

     UC 32, Brief Bernhard Haack an seine Eltern, 19.02.1917, 1 page

     UC 32, Brief Reinhard Schirm an seine Mutter, March 1917, 4 pages



   ADM 137/3876 - Interrogation of survivors of German submarines - UC-boats :

     Systematically indexed information from prisoner interrogations, 12 pages



   ADM 137/3902 :

     American Naval officers on board U 53 on her visit to Newport, R.I., Oct 1916 , 4 pages
      U 53 had been sent to the East cost of the U.S.A. in October 1916



   ADM 137/4218 - U 122 war diary :

     U 122, War diary, 10.8.1918 - 05.10.1918, 9 pages



   ADM 116/1826 - Handing over of German Submarines, 1918, 1919 :

     UC 98, 24.11.1918, 3 pages

     UC 96, 24.11.1918, 2 pages

     UC 95, 21.11.1918, 2 pages