| 4843 | 3824 | D Sidwell & J Harding | Surrey houses recorded and dated | 1984 | B/22 | Surrey |
| 4845 | 5428 | Siebente Auflage | Museumsdorf in Cloppenburg | 1972 | M/08 | German |
| 4846 | 2236 | A E Silk | Tables for calculating the discharge of water in pipes | 1914 | WCP | Silk, |
| 4847 | 4781 | Hugh B Simeon | The mass-clocks on Edburton church | 1953 | B/07.1 | Simeon |
| 4848 | 3635 | Simkin Marshall | Select lessons in physical science | 1869 | WCP | Simkin |
| 4850 | 4489 | edited by I G Simmons | Yorkshire Dales : National Park Guide N9 | 1971 | E/11 | Simmon |
| 4851 | 7765 | edited by I G Simmons | Yorkshire Dales : National Park guide N9 | 1971 | E/16.5 | Simmon |
| 4852 | 3701 | edited by F M Simpson | Building construction. Volume I | ? | B/05.0 | Simpso |
| 4854 | 4803 | F S W Simpson | The churches of St Nicholas Old Shoreham and St Mary de Hau(v)ra (of the port) New Shoreham Sussex | 1958 | B/26.2 | Sussex |
| 4856 | 3528 | Singleton & East Dean PCC | Singleton and East Dean guide | ? | E/15 | Sussex |
| 4857 | 4805 | Singleton & East Dean PCC | Singleton and East Dean guide | ? | E/15 | Sussex |
| 4858 | 15560 | Singleton & East Dean PCC | Singleton and East Dean guide | ? | E/15 | Sussex |
| 4860 | 4793 | Rosemary Anne Sisson | The parish church of St.Mary Magdalene Lyminster | 1950 | B/26.2 | Sussex |
| 4861 | 30 | Osbert Sitwell and Margaret Barton | Brighton | 1935 | E/15 | Sussex |
| 4862 | 2715 | Sacheverell Sitwell | British architects and craftsmen : a survey of taste, design and style during three centuries 1600-1830 | 1945 | B/01.2 | Sitwel |
| 4866 | 4232 | Skeet & Jeffes Ltd | Skeet & Jeffes Ltd Woking : wholesale ironmongers and builders' merchants : catalogue no.1950 | 1950 | WCP | Skeet |
| 4867 | 4214 | Skeet & Jeffes Ltd | Brook Motors : industrial & fractional horse power types | 1953 | WCP | Skeet |
| 4868 | 4216 | Skeet & Jeffes Ltd | Supplementary catalogue | 1955 | WCP | Skeet |
| 4869 | 5861 | J Sleight | On the parish : a study of 19th century Steyning Poor Law | 1978 | E/66.2 | Sleigh |
| 4870 | 7535 | Eric Sloane | A reverence for wood | 1965 | B/05.2 | Sloane |
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