53 Abstract of labour statistics. 1894–1937. Periodic reports of the Labour Department of the Board of Trade and later of the Ministry of Labour. Title varies.

54 The annual register, 1900–. 1901–. An annual narrative of events (which dates back to 1758) largely from newspaper sources.

55 Bartholomew's reference atlas of greater London. 13th ed. Edinburgh, 1968.

56 Bellamy, Joyce M. and John Saville (eds.). Dictionary of labour biography. 1970– 84, 7 vols. Each volume is self-contained, A to Z.

57 Bickmore, David P. and M. A. Shaw. The atlas of Great Britain and Northern Ireland. Oxford, 1963. Superb.

58 Bond, Maurice Francis (comp.). Guide to the records of Parliament. 1971. Carries through the session of 1969–70.

59 Britain 1948/9, an official handbook. 1948–. Annual; the latest appeared in 1983. Prepared by the Central Office of Information; the best brief reference book.

60 British labour statistics yearbook 1969–. H.M.S.O., 1971–. This series follows British labour statistics: historical abstracts, 1886–1968 (1971) and together form a useful and convenient reference.

61 British Museum. Subject index of the modern works added… in the years 1901–1905. 1906. Quinquennially, thereafter; title varies.