Henderson Papers at the National Maritime Museum
HEN/1
HEN/1/1-14
Correspondence 1858-1904 written at school, giving biographical details, special, when Lieutenant, when Commander, announcing engagement, when Captain and to his father.
HEN/1/15-17
Lecture notes, memoranda, miscellaneous letters from Senior Officers including Adm Mahan and Adm Brinsing, commission and other papers relative to his career n.d.
HEN/2
Correspondence 1914-25 including copies of correspondence with Mr Lloyd George, Lord Milner and miscellaneous notes.
HEN/3
Miscellaneous correspondence and notes, n.d.
HEN/4
Proposals, condition of entry into the navy, newspaper cuttings, letters, Education Reform Council, Memoranda and correspondence, n.d.
HEN/5
Naval Review, correspondence on the entry into the navy of Naval Cadets, personal correspondence and dockyard letters 1903-6, see full list in printed catalogue for details, n.d.