Publishers
- W H ALLEN 1
- W. & A.K. Johnston 1
- W. & A.K. Johnston & G.W. Bacon Ltd. 1
- W. & A.K. Johnston Limited 4
- W. & C. Scott, Ltd. 1
- W. & G. Foyle Ltd. 4
- W. & J. Mackay & Co. Ltd. 1
- W. & R. Chambers 15
- W. & R. Chambers Limited 121
- W. Alexander 1
- W. Bennett 1
- W. Brendon And Son 1
- W. Brendon And Son Ltd. 1
- W. Bulmer And Co. 1
- W. Collins Sons and Co. Ltd. 6
- W. Foulsham 1
- W. Foulsham & Co. Ltd. 4
- W. Griffiths A'i Frodyr 1
- W. Heffer & Sons Ltd. 6
- W. Innys And J. Richardson 1
- W. Jefferson & Son Ltd. 1
- W. Johnston 1
- W. Kent & Co. 1
- W. Lloyd 1
- W. Mack 1
- W. Mate & Sons Ltd. 2
- W. Mears 1
- W. Nicholson & Sons 2
- W. Nicholson & Sons Ltd. 1
- W. Publishing 1
- W. Reader 1
- W. Savage 1
- W. Spurrell 2
- W. Swan Sonnenschein & Co. 1
- W. Swann Sonnenschein & Allen 1
- W. Thacker & Co. 1
- W. Wells 1
- W. Whittingham 1
- W. Wood 1
- W.A.N.H.S. Devizes 3
- W.B. Brodie And Co. 1
- W.B. Saunders 1
- W.D. & H.O. Wills 1
- W.D. Hayward 1
- W.D. Wharton 2
- W.E. Mack 1
- W.F. Graham 1
- W.G. Lloyd 3
- W.H. & L. Collingridge 2
- W.H. Allen 4
- W.H. Allen & Co 2
- W.H. Allen & Co. Limited 2
- W.H. Freeman and Company 6
- W.H. Lizars 1
- W.H. Smith 1
- W.H.C. London 2
- W.J. Fike 1
- W.J.W. Hamill 1
- W.K. Kellogg 3
- W.M. Thompson 1
- W.P. Kennedy 1
- W.P. Nimmo, Hay & Mitchell 2
- W.R. Howell & Co. 1
- W.S. Johnson 1
- W.W. Gardner 1
- W.W. Norton & Company Inc. 10
- Waanders 1
- Waddy Productions 3
- Wadsworth & Brooks 1
- Wadsworth Publishing 1
- Waine Research Publications 7
- Wakefield Press 2
- Walker 1
- Walker And Company 1
- Walker Books 97
- Walker Books Ltd 5
- Wallace-Homestead Book Company 1
- Walls Quarry Press 1
- Walsh, Holmes & Co. 1
- Walt Disney Productions 2
- Walter De Gruyter 2
- Walter Hill 1
- Walter McVitty Books 1
- Walter Southwood & Company 1
- Walton & Weybridge Local History Society 1
- Ward & Downey Limited 1
- Ward And Co. 3
- Ward Lock 1
- Ward Lock & Co Ltd. 31
- Ward Lock Educational 2
- Ward Lock Limited 2
- Ward Lock Reprints 1
- Ward, Lock & Co. 4
- Ward, Lock & Co. Limited 22
- Ward, Lock & Co. Ltd. 24
- Ward, Lock And Tyler 1
- Warfare 1
- Warners Group Publications 1
- Warpaint Books Ltd. 3
- Warren & Son 1