Correspondents include: John Atkinson Hobson, [R.?]H. Hodgson, Harry Hodgkinson, Holdroyd, Richard Durning Holt, Campbell Richard Hone, Herbert Henry Hoover, and Lou Henry Hoover.

Also includes a telegram from Hirst, 30 Oct 1915, drafts of Hirst's letters, and press cuttings with Holt.