Publishers
- Strand Publications 11
- Strathwood Ltd 2
- Stratus 3
- Strawberry Press 3
- Strome & Co. 1
- Structure 1
- Struik 1
- Struik Nature 1
- Stuart & Richards 1
- Student Christian Movement Press 1
- Studio Editions 11
- Studio Vista 5
- Sudwest 1
- Suhada Press 1
- Sully & Kleinteich 1
- Summersdale Publishers 1
- Sunburst Books 1
- Sunshine House, Inc. 1
- Sunshine Publishing Company 1
- Superprofile Ltd. 2
- Surrey Wildlife Trust 2
- Survey Of Cardiff 2
- Sutton Publishing 41
- Svensk Byggtjanst 1
- Swan Hill Press 10
- Swan Sonnenschein & Co. 1
- Swan Sonnenschein & Co. Ltd. 2
- Swan Sonnenschein, Lowrey & Co. 1
- Swansea Cricket & Footbal Club 1
- Swansea Philatelic Society 1
- Swedish Aviation Historical Society 1
- Swedish Natural Science Research Council 2
- Sweet & Maxwell 1
- Sydenham & Co. 1
- Sydney Lee 1
- Sylvan Press 4
- Synapse Gb Ltd. 1
- Synomic 1
- Syrawood Publishing House 2
- T. & A. Constable 1
- T. & A.D. Poyser 37
- T. Allman 1
- T. Buncle & Co. 1
- T. Buncle & Co. Ltd. 1
- T. Cadell 2
- T. Cadell and W. Davies 3
- T. Carnan 1
- T. Egerton 2
- T. Fisher Unwin 13
- T. Fisher Unwin Ltd. 1
- T. Gee 1
- T. N. Foulis 1
- T. Nelson & Sons 27
- T. Nelson & Sons Ltd. 3
- T. Richards 1
- T. Tegg 1
- T. Waller 1
- T. Werner Laurie Ltd. 5
- T.C. & E.C. Jack 12
- T.C. & E.C. Jack Ltd. 14
- T.E. Schuster 2
- T.F.H. Kingdom 2
- T.F.H. Publications Ltd. 1
- T.F.H. Publications, Inc 2
- T.F.H. Publications, Inc. Ltd. 1
- T.J. Allman 1
- T.L. Ainsley 1
- T.M.R.S. 1
- T.N. Foulis 4
- T.V. Boardman & Co. Ltd. 1
- T.V. Boardman & Company Limited 3
- T.Y. Crowell & Co. 1
- TAB Books 1
- Tabb House 1
- Tally-Ho Books 1
- Tamara Publications 1
- Tamarind Ltd. 1
- Tango Books 14
- Tank Archives Press 1
- TANNERS YARD PRESS 1
- Taplinger Publishing Co., Inc. 1
- Tarquin 1
- Taschen 5
- Tate Gallery 3
- Tate Publishing 1
- Tauris Academic Studies 2
- Taurus Press 1
- Tavistock Publications 1
- Taylor & Francis 3
- Taylor Publishing Company 1
- Teamband Ltd. 1
- Ted Smart 14
- Tegg, Wise & Tegg 1
- Tempest Associates Limited 1
- Templar Publishing 6
- Temple Lodge Publishing 1
- Temple Nostalgia 1
- Temple Press 7
- Temple Press Limited 8
- Temple Smith 1