This collection consists of Giffen's correspondence on subjects including the national finances, currency and bimetallism (particularly in relation to India), wages and prices, free trade, and expenditure on the army and navy; articles by Giffen, on diverse subjects including the national finances and monetary laws, the Political Economy Club, and househunting and housebuilding; papers on subjects including war risks to British trade and shipping and 'The Statist'; and press cuttings concerning currency, trade, public finance, and Giffen himself.

Margaret MacDonald's correspondence, papers and lectures, on subjects including factory and shop legislation, the employment of women, housing, the Licensing Bills of 1901-1902, Sunday School teaching, vagrant children, women's organizations and women's suffrage, and the Franco-British Exhibition at Hammersmith in 1908. James Ramsay MacDonald's papers, correspondence and press cuttings on subjects including the financing and aftermath of World War I, Labour Party policy and his leadership of the party, working conditions, and women's education.

Publications, mostly official, relating to UK defence policy, notably, defence expenditure, and equipment procurement, 1960-1990, including ninety-seven editions of House of Commons Official Report. Parliamentary debates (Hansard) (HMSO, London, 1964-1990) and thirteen editions of House of Lords Official Report. Parliamentary debates (Hansard) (HMSO, London, 1975-1990); fifty, mainly UK and USA official printed reports, 1960-1989, including Navy estimates, 1960-1963, Statement on the Defence Estimates (HMSO, London, 1966-1973, 1975-1981, 1988-1989); reports from the House of Commons Defence Committee, 1981-1989; reports relating to specific issues, notably strategic nuclear deterrence, 1973-1982, and the Falklands conflict, 1982-1987. Newspaper cuttings, 1968-1992, mostly relating to Malta, 1968-1972; Soviet seapower in the Mediterranean, 1969-1972; International naval affairs, 1970-1971; South Africa, 1970-1971; the Iran-Iraq War, 1980-1988; the Falklands conflict, 1982; US intervention in Grenada, 1983; Soviet defence policy, 1984-1988; NATO (North Atlantic Treaty Organisation), 1984-1990; UK, US and European defence policy, 1984-1992; the US bombing raid on Libya, 1986; the Gulf War, 1991.

Manuscript report entitled 'A State of the Coynage in Barcelona', [1714], with a note that 'This paper was attested upon oath before the Commissioners of Accounts the 14th day of May 1714 by Mr. [John] Mead'. The remainder of the volume comprises a printed copy of the answer of James Stanhope, 1st Earl Stanhope, to allegations concerning his financial administration as Commander-in-Chief of the British Army in Catalonia during 1708, and contains manuscript annotations in Stanhope's hand.

Copy of a royal warrant signed by Robert Walpole, then Secretary at War, of 26 Dec 1708, to the auditors of the imprests on behalf of James Brydges, 1st Duke of Chandos and Paymaster General of the Forces, allowing him to continue his payments 'for our forces & other services in the Low Countries' at the agreed rate of ten guilders, fifteen stivers to the pound sterling.