Publishers
- W.D. Wharton 1
- W.E. Mack 1
- W.G. Lloyd 4
- W.H. & L. Collingridge 1
- W.H. Allen 4
- W.H. Allen & Co. Limited 3
- W.H. Freeman and Company 3
- W.H. Lizars 1
- W.H. Smith 2
- W.H.C. London 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. 2
- W.S. Johnson 1
- W.W. Norton & Company Inc. 2
- Waanders 1
- Waddy Productions 3
- Wadsworth & Brooks 1
- Wadsworth Publishing 1
- Wakefield Press 1
- Walker And Company 1
- Walker Books 79
- Walker Books Ltd 5
- Wallace-Homestead Book Company 1
- Walsh, Holmes & Co. 1
- Walt Disney Productions 1
- Walter De Gruyter 2
- Walter Hill 1
- Walter McVitty Books 1
- Ward & Downey Limited 1
- Ward And Co. 2
- Ward Lock & Co Ltd. 23
- Ward Lock Educational 2
- Ward Lock Limited 1
- Ward, Lock & Co. 4
- Ward, Lock & Co. Limited 19
- Ward, Lock & Co. Ltd. 14
- Warehouse Publications 2
- Warners Group Publications 1
- Warpaint Books Ltd. 3
- Warren & Son 1
- Warrillows Ltd. 2
- Warwickshire Publications 1
- Waterfront 1
- Waterline 1
- Waterstone 1
- Watson-Gupthill Publications 1
- Wattle Books 1
- Wau Ecology Institute 1
- Waverley Book Company Ltd. 3
- Waverley Excursions Ltd 1
- Waxtel & Hasenauer 1
- Wayfarer Books 1
- Wayland Publishers 1
- Waynford Press Ltd. 2
- Wea Bath Branch 1
- Weathervane Books 2
- Webb & Bower 7
- Weekly Reader Books 1
- Wegweiser 1
- Weidenfeld and Nicolson 35
- Weldon 1
- Wellington School 1
- Wells Gardner, Darton & Co. 34
- Wells Gardner, Darton & Co. Limited 11
- Wells Gardner, Darton & Co. Ltd. 36
- Wells Gardner, Darton And Co 2
- Welsh Arts Council 1
- Welsh Bibliographical Society 1
- Welsh Council 1
- Welsh Gazette 1
- Welsh Health Estates 1
- Welsh Railways Research Circle 1
- Wendy Webb Books 1
- Werner Laurie 13
- Werner Shaw Ltd. 1
- Wesleyan Conference Office 3
- Wesleyan Methodist Sunday School Union 1
- Wessex Books 1
- West Col Productions 1
- West Midland Bird Club 2
- West Monmouth School 2
- Westarp Wissenschaften 1
- Westbury Publishing 2
- Western Australian Museum 1
- Western Canadian Distributors Ltd. 1
- Western Mail 4
- Western Mail And Echo Limited 3
- Westerners Publications Ltd. 2
- Westholme Publishing 2
- Westmorland Gazette 2
- Wharncliffe Books 6
- Wharncliffe Publishing Limited 2
- Wheaton 1
- Wheaton Of Exeter 1
- Wheelhouse Books 1
- Wheldon & Wesley 1