Diaries, log books and other papers, 1913-1966, of Cdr Lawrence Antony Humphreys, comprising a photograph album including photographs of Dartmouth Royal Naval (RN) College, Devon, 1914-1916, and ships of the British and German fleets, 1917-1919, subsequently used as a scrapbook for newspaper and other cuttings to 1966; volume entitled 'Operations etc HMS TARANTULA', comprising log of messages received and sent, 11 Mar 1917-11 Mar 1918, while taking part in operations in Mesopotamia from the fall of Baghdad, later used as diary of voyage, Basra to Canton via Hong Kong, 29 Mar-3 Jul 1918, with reflections on anti British disturbances up to 2 Mar 1919; midshipman's journal, HMS BARHAM, 1 Jul 1919-14 May 1920, with latter part of volume used for documents relating to postings and promotions, 1917-1946; diaries (2 volumes), Mar-Jun 1922; syllabus and manuscript notes, Cambridge course for RN Officers, Michaelmas 1922-Lent 1923; volume containing souvenir programmes of the Special Service Sqn World cruise, 1923-1924 (South Africa, Australia, New Zealand, Fiji, Hawaii, Vancouver, Canada, San Francisco, USA, Peru, Chile); diaries of the world cruise, 25 Nov 1923-30 Sep 1924; sketch book containing notes on seamanship, HMS INDOMITABLE [1917-1919]; volume of notes on gunnery, HMS INDOMITABLE, HMS VENDETTA, HMS BARHAM, HMS TARANTULA and HMS DRAGON, 1917-1925; gunnery notes, RN College, Greenwich [1926]; gunnery orders, HMS HOOD; drill instructions, HMS DANAE [1930-1933]; term lists, RN College, Osborne, Sep 1914-Jan 1916, and RN College, Dartmouth, May 1916-May 1917; 'Osborne', RN College magazines, Dec 1914-Dec 1916; 'The Britannia Magazine', RN College, Dartmouth, Easter 1916-Midsummer 1917; 'Regulations for German observation groups', a manual for the Artillery Survey Section, translated extracts, Dec 1917; Gunnery Drill Book (Book I) (Admiralty, London, 1913); Rifle and field exercises for His Majesty's Fleet (Admiralty, London, 1913); The danger angle and off shore distance tables by Capt Squire Thornton Stratford Lecky, RN (1916); two editions of Gunnery Drill Book (Book II) (1918) (one revised in 1927); Silhouettes of effective British warships by E L King (Low, London, 1919); Warships at a glance, silhouettes of the world's fighting ships by Frederick Thomas Jane, RN College Osborne (Low, London, 1914); Boats' signal book (1920); Royal Naval handbook of field training (1920); Drill for 4 inch QF Mark XII gun on SI mounting (Submarines) (1928); The Fleet annual and Naval year book (1917); 'The Castillian', Fleet magazine, Jan-May 1925; 'Royal Naval Staff College Magazine', issues 4-6 (undated); humorous pamphlet 'The cruises of HMS Zinnia' (undated); Our Navy, handbook of the British Navy (undated); Lord Fisher on the Navy, articles reprinted from The Times , Sep 1919; Future of navies, articles reprinted from The Times , Nov 1920-Feb 1921; 'Naval athletics', compiled by Maxwell Cunningham (undated); The Battle of the Atlantic, the official account of the fight against U boats, 1939-1945 (HMSO, London); How the war will be won by Capt Bernard Acworth (1940); The Battle of Britain, Aug-Oct 1940 (Air Ministry); Destruction of an Army, 1st Libyan Campaign, Sept 1940-Feb 1941 ; Parliamentary White Paper by Sir Neville Henderson on the circumstances leading to the termination of his mission to Berlin, Germany, 20 Sep 1939.