Includes: correspondence with Winston Churchill, with Seal giving his views at times on the direction of the war; more general correspondence, particularly with Seal's Private Office colleagues once he had gone to the United States; an account of the Admiralty mission to Washington; papers relating to Seal's work as Chief of the Trade and Industry Division in the British zone in Germany after the war; personal letters to his wife during his time with Churchill; a draft memoir, again particularly featuring the early years of the war.