- Blackie & Son1
- Blelock & Co.1
- Bliss, Francis E. (Francis Edward)1
- Blundeville, Thomas, active 15611
- Bodley Head (Firm)3
- Bogue, David, 1807 or 1808-18561
- Bohn, Casimir1
- Boulter, Robert, active 1666-16831
- Bourdin, Ernest1
- Boyd, A. S. (Alexander Stuart), 1854-19301
- Bradbury & Evans1
- Bradbury, Agnew and Co.1
- Bradley, Will, 1868-19621
- Brearley, H. C. (Harrington Cooper), 1893-19601
- Brill, A. A. (Abraham Arden), 1874-19481
- Brooks, Gwendolyn, 1917-20001
- Brown and Gross1
- Browne, Hablot Knight, 1815-18822
- Bryant, Percy1
- Buel, James W. (James William), 1849-19201
- Buffalo Bill, 1846-19171
- Buffum, Job3
- Bull, H. J. (Henric Johan), 1844-1
- Bullen, George, 1816-18941
- Burnes & Oates1
- Burton, Richard Francis, Sir, 1821-18901
- Business Men’s Association of the City of Helena, Montana1
- Butler, Charles, -16471
- Butter, Nathaniel, -16641
- C. Arthur Pearson Ltd1
- C. S. Francis & Co1
- C. T., active 17th century1
- Cable, George Washington, 1844-19252
- Calverley, Charles Stuart, 1831-18841
- Camp, Walter, 1859-19251
- Carey, Lea & Blanchard1
- Carleton, George Washington, 1832-19011
- Carleton, Will, 1845-19121
- Carleton, William, 1794-18691
- Carman, Bliss, 1861-19291
- Carnegie Commission on Educational Television1
- Carnegie Corporation of New York18
- Carnegie Endowment for International Peace1
- Carnegie Foundation for the Advancement of Teaching1
- Carnegie, Andrew, 1835-191929
- Carter, Robert, 1819-18791
- Carter, Sarah C.1
- Carter, Sebastian2
- Cartter, Allan M. (Allan Murray), 1922-19761
- Cary, Elisabeth Luther, 1867-19361
- Caxton, William, approximately 1422-1491 or 14921
- Century Company1
- Chambers Brothers1
- Chapman and Hall2
- Chapman, George, 1559?-16341
- Chapman, J. G. (John Gadsby), 1808-18891
- Charles Scribner's Sons3
- Chatto & Windus (Firm)3
- Chaucer, Geoffrey, -14002
- Cheever, George Barrell, 1807-18901