Letters sent to SBS from his daughter Gertrude (Note: additional letters from his children are in the Marie to Sam correspondence, as the childrens' letters were sent with Marie's letters). Hand-written.
Northcliffe, Lord. At the War. London: Hodder and Stoughton, 1916. (inscribed at front of book: ‘To my dearest Dad – with Love & Best wishes from Gertrude Christmas 1916 Folkestone’; includes a Hodder and Stoughton advertising bookmark)