| CODE | NAME |
| BNA176575 | Percy Lund Humphreys & Co. |
| BSOC | The Book Society |
| CM1232630 | R & R Clark |
| MAPP0001 | Lowe, Brydone Ltd. |
| MAPP0002 | Ship Binding Works |
| MAPP0003 | A. R. Moon, Esq. |
| MAPP0004 | the Book Society |
| MAPP0005 | The Windmill Press |
| MAPP0006 | Miss Cooper |
| MAPP0007 | Marquis D'Ormesson |
| MAPP0008 | Kenneth |
| MAPP0009 | The National Council of the Young Men's Christian Associations |
| MAPP0010 | Mrs Alston |
| MAPP0011 | Aline Burch |
| MAPP0012 | Lady Diana Cooper |
| MAPP0013 | Mr. Wells |
| MAPP0014 | Peggy Belsher |
| MAPP0015 | Audrey Heffill |
| MAPP0016 | Christopher Mann Management Ltd |
| MAPP0017 | Medicinal Women's Federation |
| MAPP0018 | W. Collins Sons Amp; Co. Ltd |
| MAPP0019 | Alice Mayor |
| MAPP0020 | Arnoldo Mondatori Editore |
| MAPP0021 | Argosy |
| MAPP0022 | Martin Melsted |
| MAPP0023 | Coralie Hobson |
| MAPP0024 | Gordon & Gotch |
| MAPP0025 | John Armstrong |
| MAPP0026 | Mr. Parley |
| MAPP0027 | S.A. Branower |
| MAPP0028 | Alfred Harcourt (Publisher) |
| MAPP0030 | Bow Library |
| MAPP0031 | Alicia Lynn |
| MAPP0032 | Dorothy Lange |
| MAPP0033 | William Tulloh |
| MAPP0034 | John J. Trounstine |
| MAPP0035 | Book Society |
| MAPP0036 | E.B.C. Lucas |
| MAPP0037 | M. Tavernier |
| MAPP0038 | The Groove Press |
| MAPP0039 | Barney Rosset |
| MAPP0040 | Kessers |
| MAPP0041 | The National Committee for Recording for the Blind Inc. |
| MAPP0042 | Ann Watkins Inc. |
| MAPP0043 | Ms. Metcalf |
| MAPP0044 | James Whittaker |
| Q10664 | Chamberlain |
| Q106952145 | The East African standard, Mombasa times & Uganda argus |
| Q109567531 | Simpkins |
| Q110526506 | The Institute Of Psychoanalysis |
| Q1108453 | Harold Raymond |
| Q11148 | The Manchester Guardian |
| Q1234598 | The International Psychoanalytical Association |
| Q1251563 | Doubleday Doran |
| Q1263483 | Allen Lane |
| Q1282985 | William Plomer |
| Q128576 | Lady Diana Cooper |
| Q1291745 | Denham |
| Q1336200 | Penguin Books, Ltd. |
| Q14175176 | Hodder & Stoughton |
| Q1507913 | I.L.P. Independent Labour Party |
| Q1563198 | John Lehmann |
| Q158060 | W. E. B. Du Bois |
| Q1623362 | The Hogarth Press |
| Q1750567 | The Morn- Ing Post |
| Q1790750 | The Spectator |
| Q18576354 | Ian Parsons |
| Q189119 | E.M. Forster |
| Q18936179 | Cape |
| Q19185 | Bernard Shaw |
| Q192186 | Fabian Society |
| Q1998582 | Coulton |
| Q2108217 | Macmillan |
| Q2170828 | Fuller |
| Q235505 | Vita Sackville-West |
| Q24039496 | Walter K. Firminger |
| Q24175555 | Simpkins |
| Q2589871 | Tawney |
| Q2648991 | Thomas Nelson And Sons |
| Q2908365 | Ormsby Gore |
| Q332956 | Harold Nicolson |
| Q335324 | Duff Cooper |
| Q3520459 | The Crisis Magazine |
| Q3666843 | Chatto & Windus |
| Q378809 | Hutchinson |
| Q38015612 | Butler & Tanner |
| Q40909 | Virginia Woolf |
| Q4722792 | Alfred Harcourt |
| Q4786265 | Church |
| Q4916786 | Birmingham Repertory Theatre |
| Q50008 | The Times |
| Q502044 | {National Association} {For The} {Advancement Of Colored People} |
| Q5065782 | Ceylon Civil Service |
| Q5195696 | Curtis Brown |
| Q52156841 | C. Henry Warren |
| Q5294054 | Donald Brace |
| Q5298677 | Dorothy Wellesley |
| Q5497482 | Linfield |
| Q55720943 | Doran |
| Q56677707 | Allen & Unwin |
| Q5790068 | Harcourt |
| Q5930315 | Hugh Cholmondeley, 3rd Baron Delamere |
| Q610190 | Daily Express |
| Q6139120 | James Maxton |
| Q6273015 | Heinemann |
| Q6467523 | Labour Research Department |
| Q6724738 | Macmillan |
| Q703935 | Leonard Woolf |
| Q7050230 | Norah Smallwood |
| Q7052495 | Norman Leys |
| Q7351087 | Sir Robert Hamilton |
| Q75334098 | Lady Esherantoinette Heckscher |
| Q75617937 | George Doran |
| Q7572964 | Spalding & Hodge |
| Q7610355 | Stephen Reynolds |
| Q76220252 | Messrs. Irwin and Gordon |
| Q7668241 | Unwins |
| Q7789603 | Thomas Fisher Unwin |
| Q8028162 | Withers |
| Q8034708 | W.E.A. |
| Q9317 | John Maynard Keynes |
| Q95160 | Stanley Unwin |
| Q9630 | Labour Party Committee |
| unknown | Mrs Alston |