Publishers
- Cetre Et Fondation Le Grand-Cachot 1
- Ch. R. & Cie 1
- Chad Valley Books 2
- Chalford 4
- Challenger Publications 10
- Chambers 1
- Chambre De Commerce De Grenoble 1
- Champlin Fighter Museum Press 2
- Chancellor Press 5
- Changi Publication Co. 1
- Channel 4 2
- Chapel Hill 2
- Chapman & Hall 36
- Chapman & Hall Ltd 8
- Chapmans 1
- Chappell & Co. Ltd. 1
- Chappell Music Ltd. 4
- Charles Birchall 1
- Charles E. Merrill Publishing Co. 1
- Charles Farlow 1
- Charles Griffin & Co. Ltd. 4
- Charles Griffin & Company Limited 1
- Charles H. Kelly 2
- Charles Knight 2
- Charles Scribner's Sons 26
- Charles Skilton 6
- Charles Skilton Ltd. 11
- Charles Taylor 1
- Charles Tilt 2
- Charles Wilson (booksellers) Limited 1
- Charta 15
- Chartwell Books Inc. 2
- Chartwell-Bratt 2
- Chas. J. Clark 2
- Chatford House Press Ltd. 3
- Chatham Publishing 11
- Chatto & Windus 73
- Chatto & Windus Ltd 1
- Chatto, Boyd and Oliver 1
- Chelsea House Publishers 3
- Chelsea Publishing Co. 3
- Cheltenham Art Gallery & Museums 1
- Chene 1
- Cheona Publications 1
- Chesapeake & Ohio Historical Society, Inc. 4
- Cheshire And Wirral Ornithological Society 1
- Cheshire Community Council 1
- Cheshire County Council 1
- Chester County Historical Society 1
- Chester House Press 1
- Chesterfield Borough Council 1
- Chevprime 2
- Chicago 2
- Child's Play (International) Ltd. 7
- Children's Digest Publications Ltd. 1
- Children's Leisure Products Ltd. 1
- Children's Special Service Mission 1
- Children's Universe 1
- Chiron Publications 1
- Chiswick Press 6
- Chivers & Sons Ltd. 2
- Chorley & Pickersgill Ltd 1
- Chris Beetles Gallery 1
- Chris Beetles Ltd. 4
- Chris Sladden Books 1
- Christian Stoll 1
- Christie, Manson & Woods Ltd. 1
- Christoph Seigel 1
- Christopher Davies 10
- Christopher Forbes 1
- Christopher Helm 39
- Christophers 2
- Chronica Botanica Company 1
- Chronicle Books 7
- Chronosports 5
- Chronosports Gsn Publishing 1
- Church Missionary Society 1
- Church Of England Zenana Missionary Society 1
- Cicada Books 1
- Cicerone Press 3
- Cirencester Newspaper Company 1
- Citta Di Torino 1
- City Magazines Ltd. 1
- City Of Birmingham 1
- City Of Portsmouth 1
- City Of Worcester 1
- Claremont Books 1
- Clarendon Press 7
- Clarion Books 1
- Clarke Printing 3
- Clarkes New Press 2
- Classic 3
- Classic Publications 4
- Claude Lefrancq Editeur 1
- Claye, Brown & Claye 1
- Clearview 1
- Clematis Press Limited 2
- Clement Ingleby 1
- Clifton Books 1
- Climber's Club 2