Folios 300-303: War orders 0020-0021, 0023 for submarines D1, D3, D5, E2, E4, E5, dated 8-10 October 1914.
Folios 304-305: Report of proceedings of submarine D1 for 10 to 13 October 1914 by Lieutenant-Commander Archibald Douglas Cochrane.
Folios 306-307: Report of proceedings of submarine D3 for 10-13 October 1914 by Lieutenant-Commander Edward Courtney Boyle.
Folios 308-309: Report of proceedings of submarine E5, 6 to 14 October 1914, by Lieutenant-Commander Charles Stuart Benning.
Folio 310: Report of proceedings of submarine D5 for 10-12 October 1914, by Lieutenant-Commander Godfrey Herbert.
Folio 311: Report of proceedings of submarine E2 for 10 to 13 October 1914 by Lieutenant-Commander David de Beauvoir Stocks.
Folio 312: Report of proceedings of submarine D8 for 8 - 14 October 1914 by Lieutenant-Commander William John Foster.
Folios 313-318: Comments on the operations of submarines D1, D3, D5, E2, E4, E5 by Commodore (S) Roger Keyes, dated 14 October 1914.
Folios 319, 322: War order 0022 for submarines E1, E11 and HMS Firedrake, dated 10 October 1914.
Folio 323: Report of operations dated 10 October 1914 by Commodore (T) Reginald Yorke Tyrwhitt.
Folios 324-325: Report of operations dated 10 October 1914 by Commodore (S) Roger Keyes.
Folio 326: Report of dispositions made dated 10 October 1914 by Commodore (T) Reginald Yorke Tyrwhitt.
Folios 319, 322: War order 0024 for submarines E1, E 9 and E11, dated 13 October 1914.
Folios 328-330: Report on the question of establishing a submarine patrol on the ‘Broad Fourteens’ dated 23 September 1914 by Commodore (S) Roger Keyes.
Folios 333-338: Report on the state of the flotilla dated 10 October 1914 by Commodore (S) Roger Keyes.
Folios 340-341: Report on the sending of two submarines into the Baltic dated 12 October 1914 by Commodore (S) Roger Keyes.
Folio 343: War order 0024 for submarines E1, E9 and E11, dated 13 October 1914 by Commodore (S) Roger Keyes.
Folio 344: Forwarding information about German ships in the Baltic, dated 13 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone.
Folios 345-349: Concerning telegrams about sending submarines to the Baltic, dated 14 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone.
Folio 350: News clipping from the Daily Express dated 21 October 1914 concerning foreign submarine activity in Swedish waters and the firing of torpedoes at the Danish submarine Havmanden.
Folios 351-354: Report of proceedings of submarine E11 for 13 - 24 October 1914 by Lieutenant-Commander Martin Eric Dunbar-Nasmith.
Folios 355-359: Comments on the operations of submarine E11 by Commodore (S) Roger Keyes, dated 25 October 1914.
Folios 360-371: Various reports and diplomatic letters concerning the alleged attack of the Danish submarine Havmanden, rather than the German submarine U3, by the submarine E11 commanded by Lieutenant-Commander Martin Eric Dunbar-Nasmith.
Folios 372-373: War order 0025 for submarines D4, E6, and E7, dated 13 October 1914 by Commodore (S) Roger Keyes.
Folio 374: Report of proceedings of submarine D4 for 13 – 17 October 1914 by Lieutenant-Commander John Robert Guy Moncreiffe.
Folio 375: Handwritten report of proceedings of submarine E6 for 13 - 17 October 1914 by Lieutenant-Commander Cecil Ponsonby Talbot.
Folio 376: Handwritten report of proceedings of submarine E7 for 14 - 16 October 1914 by Lieutenant-Commander Ferdinand Eric Bertram Feilmann.
Folio 377: Comments on the operations of submarines D4, E6 and E7 by Commodore (S) Roger Keyes, dated 17 October 1914.
Folios 378-381: Report of proceedings of submarine E6 for 16 October 1914 by Lieutenant-Commander Cecil Ponsonby Talbot concerning alleged inactivity of HMS Violet in investigating three of four Dutch smacks fishing on the Western edge of the Smith’s Knoll Bank. Reply by Commander Vincent Lewin Bowring to these allegations dated 26 October 1914, (folios 382-384). Note by Commodore (S) Roger Keyes, to defer matter for Commander Talbot’s information, dated 3 November 1914.
Folios 386, 388-395: loss of Submarine E3.
Folios 386-387: War order 0026 for submarines E3 and E8, dated 16 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone.
Folios 388-389: Report of proceedings of submarine E8 for 17-19 October 1914 by Lieutenant-Commander Francis Herbert Heaveningham Goodhart.
Folio 391: Rough list of Officers and crew of Submarine E3. Includes name, rank or rating, service number and next of kin details and addresses.
Folio 392: Notification of the sinking of Submarine E3, dated 21 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone. Mentions that “Lieutenant- Commander George Francis Cholmley was one of our most experienced and skilful Submarine Captains and an Officer the Submarine Service could ill afford to lose”.
Folios 393-395: Further report concerning the sinking of Submarine E3, dated 21 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone.
Folios 396-398: War orders 0027-0028 for submarines D3, D5, D8, and E7, dated 18 October 1914 by Commodore (S) Roger Keyes, HMS Maidstone.
Folios 399-400: Handwritten report of proceedings of submarine D3 for 19-21 October 1914 by Lieutenant-Commander Edward Courtney Boyle.