Correspondence chiefly regarding political topics, 1938-1950, including some related to a conference of MPs and economists (including Nicholson) held at Faringdon, 24 Sep 1948; correspondence (1988) with Anthony Howard, Deputy Editor of The Observer, with notes by Nicholson, regarding his assistance with Howard's biography of Crossman (this correspondence was initiated by a complaint by Nicholson to The Observer).

Correspondents other than Nicholson are included.