| 1927 | 2325 | Bowley Preece & Co Ltd | Catalogue of porcelain & white finish furniture No.7 | | WCP | Bowley |
| 1928 | 3636 | T Box | Practical hydraulics : a series of rules & tables for the use of engineers | 1867 | WCP | Box, T |
| 1929 | 8069 | Thomas Box | A practical treatise on mill-gearing, wheels, shafts, riggers, etc., for the use of engineers | 1869 | E/36 | Box, T |
| 1930 | 2881 | compiled by Marjorie Hallam | Boxgrove tipteers | 1927-1935 | E/79 | Boxgro |
| 1931 | 5696 | Melissa Publishing House | Greek traditional architecture : Crete | 1985 | B/01.3 | Greece |
| 1932 | 2340 | Braby & Co Ltd | Catalogue | | WCP | Braby |
| 1933 | 3716 | P J Bradburn | The old house | 1978 | M/08 | Herefo |
| 1937 | 4199 | David Braithwaite | Building in the blood : the story of the Dove Brothers of Islington, 1781-1981 | 1981 | B/02.3 | Braith |
| 1938 | 7066 | Harold Brakspear | Battle Abbey : an illustrated historical sketch | ? | B/26.2 | Sussex |
| 1940 | 4775 | Bramber PCC | St. Nicholas church, Bramber | ? | B/26.2 | Sussex |
| 1941 | 4774 | Bramber PCC | St. Botolph's church, Bramber | ? | B/26.2 | Sussex |
| 1942 | 4034 | editor: Martyn Bramwell | The international book of wood | 1976 | B/05.2 | Bramwe |
| 1943 | 1419 | Peter Brandon | The Sussex landscape | 1974 | E/15 | Sussex |
| 1944 | 261 | Peter Brandon ; drawings by Carolyn Lockwood | A history of Surrey | 1977 | E/15 | Surrey |
| 1945 | 7530 | Peter Brandon and Brian Short | The south east from AD 1000 | 1990 | E/15 | Englan |
| 1946 | 91 | Raphael and J Arthur Brandon | The open timber roofs of the middle ages ? church roofs | 1860 | B/05.61 | Brando |
| 1947 | 3670 | K Branigan | Latimer-Belgic, Roman, dark age and early modern farm | 1971 | E/61.0 | Branig |
| 1948 | 4718 | Fernand Braudel | Civilization and capitalism : 15th-18th century. Volume I : the structures of everyday life : the limits of the possible | 1981 | E/65.0 | Braude |
| 1949 | 49 | Hugh Braun | The story of the English house | 1940 | B/22 | Braun, |
| 1950 | 55 | Hugh Braun | The story of the English house | 1940 | B/22 | Braun, |
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