Publishers
- Walker And Company 1
- Walker Books 76
- Walker Books Ltd 13
- Walls Quarry Press 1
- Walsh, Holmes & Co. 1
- Walt Disney Productions 1
- Walter De Gruyter 2
- Walter McVitty Books 2
- Walter Scott Ltd. 1
- Ward & Downey Limited 1
- Ward And Co. 2
- Ward Lock 1
- Ward Lock & Co Ltd. 19
- Ward Lock Educational 2
- Ward Lock Limited 1
- Ward, Lock & Co. 4
- Ward, Lock & Co. Limited 18
- Ward, Lock & Co. Ltd. 15
- Warehouse Publications 3
- Warpaint Books Ltd. 2
- Warren & Son 1
- Warrillows Ltd. 2
- Warwickshire Publications 1
- Waterfront 1
- Waterline 1
- Waterstone 1
- Waterton Publishing 1
- Watson-Gupthill Publications 1
- Wattle Books 1
- Wau Ecology Institute 1
- Waverley Book Company Ltd. 3
- Waverley Books 1
- Waxtel & Hasenauer 1
- Wayland (Publishers) Ltd. 1
- Wayland Publishers 1
- Waynford Press Ltd. 1
- We, Inc 1
- Wea Bath Branch 1
- Weathervane Books 2
- Webb & Bower 6
- Wedderburn Art Ltd. 1
- Weekly Reader Books 1
- Wegweiser 1
- Weidenfeld and Nicolson 22
- Weldon 1
- Wellington School 1
- Wells Gardner, Darton & Co. 30
- Wells Gardner, Darton & Co. Limited 8
- Wells Gardner, Darton & Co. Ltd. 35
- Wells Gardner, Darton And Co 2
- Welsh Arts Council 1
- Welsh Bibliographical Society 1
- Welsh Council 1
- Welsh Health Estates 1
- Wendy Webb Books 1
- Werner Laurie 8
- Wesleyan Conference Office 3
- West Col Productions 1
- West Midland Bird Club 2
- West Monmouth School 2
- Westarp Wissenschaften 1
- Westbury Publishing 1
- Western Australian Museum 1
- Western Canadian Distributors Ltd. 1
- Western Mail 4
- Western Mail And Echo Limited 2
- Westerners Publications Ltd. 2
- Westholme Publishing 2
- Westmorland Gazette 1
- Wharncliffe Books 4
- Wharncliffe Publishing Limited 2
- Wheaton 1
- Wheaton Of Exeter 1
- Wheelhouse Books 1
- Wheldon & Wesley 2
- Whitbread & Co. Ltd. 1
- Whitcombe and Tombs 1
- White Boar Publishing 1
- White Lion Publishers Limited 6
- White Mane Books 1
- White Mouse 2
- White Owl 1
- Whitechapel Art Gallery 1
- Whiting & Co. 1
- Whitman Publishing Company 10
- Whitney Library Of Design 1
- Whittaker & Co. 3
- Whittet Books 1
- Whittles Publishing 2
- Whsmith 1
- Wicwas Press 2
- Wild Dog Press 1
- Wild Swan Publications 7
- Wildearth 2
- Wilding & Son Ltd. 6
- Wildwood House Ltd. 1
- Wiley 3
- Wiley-Academy 1
- Wiley-Interscience 2
- Wilhelm Ernst & Sohn 2