Publishers
- St. Nicholas Books 1
- Stacey International 1
- Stackpole Books 10
- Stainer & Bell Ltd. 1
- Standard Art Book Co. Ltd. 1
- Stanford Maritime 1
- Stanford University Press 4
- Stanley Books 1
- Stanley Paul 6
- Stanley Paul & Co 1
- Stanley Paul & Co. Ltd. 4
- Stanton And Van Vliet Co. 1
- Staples Press 1
- Starsons 1
- Steam Image 1
- Stecher Litho. Co. 3
- Steiger Verlag Innsbruck 1
- Steimatzky 1
- Stenlake Publishing 8
- Stephen Morrison 1
- Sterling Children's Books 1
- Steve Ball 1
- Steve Russell 2
- Stevenage Museum 1
- Stewart Williams 61
- Stobart Davies 1
- Stoddart Publishing Co Ltd. 1
- Stow-on-the-Wold and District Civic Society 1
- Strand Publications 10
- Strathwood Ltd 3
- Stratus 2
- Strawberry Press 1
- Strome & Co. 1
- Struik 1
- Struik Nature 1
- Student Christian Movement Press 1
- Studio Editions 10
- Studio Vista 3
- Sudwest 1
- Suffolk County Council 1
- Suffolk Naturalists' society 1
- Sully & Kleinteich 1
- Sunburst Books 1
- Sundancer Ltd. 1
- Sunshine Publishing Company 1
- Superprofile Ltd. 2
- Surrey Wildlife Trust 2
- Survey Of Cardiff 2
- Sutton Publishing 30
- Sutton Publishing Limited 1
- 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 3
- Synapse Gb Ltd. 1
- Synomic 1
- Syrawood Publishing House 2
- T. & A. Constable 1
- T. & A.D. Poyser 33
- T. Allman 1
- T. Buncle & Co. 1
- T. Buncle & Co. Ltd. 1
- T. Cadell 1
- T. Cadell and W. Davies 2
- T. Carnan 1
- T. Egerton 3
- T. Fisher Unwin 13
- T. Fisher Unwin Ltd. 1
- T. Gee 1
- T. Nelson & Sons 23
- T. Nelson & Sons Ltd. 3
- T. Richards 1
- T. Tegg 1
- T. Waller 1
- T. Werner Laurie 1
- T. Werner Laurie Ltd. 5
- T.C. & E.C. Jack 14
- T.C. & E.C. Jack Ltd. 11
- T.E. Schuster 2
- T.F.H. Kingdom 2
- T.F.H. Publications 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 2
- T.Y. Crowell & Co. 1
- TAB Books 1
- Tabb House 1
- Tally-Ho Books 1