Subjects include Mary Agnes Hamilton's participation in the Brains Trust, including with Florence Horsburgh; Mary Agnes Hamilton's work for the Reconstruction Secretariat, including on child welfare, USA-UK cooperation, and demobilisation, and her comments on the new minister, Sir William Jowitt; the Beveridge Committee, including discussion of 'spinsters' and means tests; her writing, including revisions to a novel and her journalism; a visit to a London County Council hospital to see occupational therapy workshops; her friendship with Margery Corbett Ashby; a visit to Cambridge with Jacquetta Hawkes; mending and making clothes; her plans for a trip to the United States; various social engagements; and her comments on a Boosey Hawkes concert at Wigmore Hall, ballet, theatre, and her reading, including Rebecca West's 'Black Lamb and Grey Falcon'. Other individuals remarked upon include Ruth and Hugh Dalton, Marie Belloc Lowndes, Asta Kenney, Sir Kenneth and Jane Clark, Sybil Colefax, Joan ('Tiger') Howard, and Dorothy Shuckburgh. With loose 'Extract from An Ulsterwoman in England' by Nesca A. Robb, and four loose photographs.