Letters are to and from Peters unless specified. Outgoing letters are mostly typescript carbon copies. Correspondents include William S. Adams, Arthur Millbourn & Co. Ltd, Nicolas Barker, Charles Batey, Bertram Rota Ltd (Anthony Rota), Diana Bloomfield, Dorothea Braby, Bristol Public Libraries, British Council, British Red Cross Society, Brown University (David A. Jonah, Librarian), C. F. Moore & Sons Ltd, Cambridge Bibliographical Society (Susan Skilliter), Cambridgeshire Technical College & School of Art (Alec Heath), A. D. Campbell, Clifford W. Carver, La Casa del Libro (David Jackson McWilliams), Roderick Cave, Central Library, Leeds, David Chambers, Charles Rare Books (B. Harding-Edgar), City and County of San Francisco Public Library, H. Alan Clodd, Coates Brothers Inks Ltd, Herman Cohen, Biddy Darlow, Dawson's Book Shop, A. F. L. Deeson, Designer Craftsmen, John Dreyfus, John Edwards, Empire Press Agency, Geoffrey A. J. Farmer, Fine Arts Gallery of San Diego (Warren Beach), Folio Society (Charles Ede), A. N. Gilbey (to Foster), Golden Head Press (Raymond Lister), S. F. Hallgarten, Hatchards (A. Donati), Philip Hofer, Reginald Horrox, Sydney Hoskins, Anthony Hoskyns, Harold Hugo, Huntingdonshire Music & Arts Society (H. T. Eeles), International Register of Private Press Names,Geoffrey Keynes, Tony Kingsford, Martin P. Klingel, The London Chappel (John Mountford), Lorilleux & Bolton Ltd, Lotz, Abbott & Co. Ltd, M. Spencer Ell & Co., David Magee, Magazine Publishers Association, Mansell (Bookbinders) Ltd (P. J. Bradbury Clarke), Manchester Public Libraries (Sidney Horrocks), Frank Martin, Ruari McLean, James Moran, Inc., A. N. L. Munby, National Book League, Edward Northfield, T. G. A. Parker, Ernest Pearce, Norman H. Partridge, Patrons of the Private Press (William Noonan), Peters, Elworthy & Moore, Print in Britain Ltd (J. E. Reeve Fowkes), Private Libraries Association, Public Library of South Australia, Ralph Bond & Rutherford, John Ryder, G. F. Sims, South African Public Library, Cape Town, Alan G. Thomas, Times Bookshop (Timothy d'Arch Smith), W. S. Cowell Ltd (R. Geoffrey Smith), Westminster Bank Ltd, Walter Muir Whitehill, Whitworth Art Gallery, Manchester (Margaret Pilkington), William Morris Society (Ronald Briggs).