Publishers
- Waddy Productions 4
- Wadsworth & Brooks 1
- Wadsworth Publishing 2
- Wagtail Press 1
- Wajidalis 1
- Waldorf-Spielzeug 1
- Wales Rally Gb 1
- Walker And Company 1
- Walker Books 106
- Walker Books Ltd 3
- Walls Quarry Press 1
- Walsh, Holmes & Co. 1
- Walt Disney Productions 3
- Walter De Gruyter 2
- Walter Hill 1
- Walter Keller Press 1
- Walter Scott 1
- Walter Scott Ltd. 2
- Walton And Maberly 1
- Ward & Downey Limited 1
- Ward And Co. 2
- Ward Lock 3
- Ward Lock & Co Ltd. 49
- Ward Lock Educational 2
- Ward Lock Limited 3
- Ward Lock Reprints 2
- Ward, Lock & Bowden Limited 1
- Ward, Lock & Co. 5
- Ward, Lock & Co. Limited 25
- Ward, Lock & Co. Ltd. 43
- Warne 2
- Warren & Son 1
- Warren and Son Ltd. 1
- Warrillows Ltd. 2
- Warszawa 1
- Warwickshire Publications 1
- Washington State University Press 1
- Waterfront 1
- Waterfront Publications 1
- Waterline 1
- Waterside Press 1
- Waterstone 1
- Watson-Gupthill Publications 1
- Wattle Books 1
- Watts & Co 1
- Waverley Book Company Ltd. 3
- Wayfarer Books 1
- Wayland Publishers 1
- Waynford Press Ltd. 4
- We Inc. 1
- Weathervane Books 2
- Webb & Bower 10
- Weekly Reader Books 1
- Wegweiser 1
- Weidenfeld and Nicolson 48
- Weldon 1
- Wells Gardner, Darton & Co. 43
- Wells Gardner, Darton & Co. Limited 16
- Wells Gardner, Darton & Co. Ltd. 40
- Wells Gardner, Darton And Co 2
- Welsh Arts Council 1
- Welsh Bibliographical Society 1
- Welsh Council 1
- Welsh Gazette 2
- Welsh Office 1
- Welsh Outlook Press 1
- Wendy Webb Books 1
- Wensum Books 1
- Werner Laurie 12
- Werner Shaw Ltd. 1
- Wesleyan Conference Office 1
- Wesleyan Methodist Sunday School Union 1
- Wesleyan University Press 1
- Wessex Books 1
- West Col Productions 1
- West Glamorgan County Archive Service 1
- West Midland Bird Club 2
- West View Publications 1
- West, Newman & Co. 1
- Westarp Wissenschaften 1
- Westaway 1
- Westbridge Books 1
- Westbury Publishing 2
- Western Australian Museum 1
- Western Canadian Distributors Ltd. 1
- Western Mail 3
- Western Mail And Echo Limited 2
- Western Publishing Company, Inc. 1
- Westerners Publications Ltd. 4
- Westerway Books 1
- Westholme Publishing 1
- Westminster Press Ltd. 2
- Westmorland Gazette 2
- Wharncliffe Books 3
- Wharncliffe Publishing Limited 2
- Wharncliffe Transport 1
- Wheaton 1
- Wheaton Of Exeter 1
- Wheldon & Wesley 1
- Whitbread & Co. Ltd. 1