- 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
- Cheever, Henry T. (Henry Theodore), 1814-18971
- Child, Lydia Maria, 1802-18801
- Chiswell, Richard1
- Clark, Austin, Maynard & Co.1
- Claxton, Remsen & Haffelfinger1
- Cleland, T. M. (Thomas Maitland), 1880-19641
- Cobden-Sanderson, T. J. (Thomas James), 1840-19222
- Cocker, Edward, 1631-16751
- Colby, Lewis1
- Colman, William A.1
- Comenius, Johann Amos, 1592-16701
- Conyers, George, -1739 or 17401
- Cooksey, Brian1
- Cotton, Charles, 1630-16871
- Crane, Hart, 1899-19321
- Crane, Stephen, 1871-19001
- Crane, Walter, 1845-19151
- Crooke, Andrew, -16742
- Crooke, William1
- Crosby and Ainsworth2
- Cruikshank, George, 1792-18781
- D'Anvers, N., -19331
- D. Appleton and Company13
- Da Ponte, Lorenzo, 1749-18381
- Daguerre, Louis Jacques Mandé, 1787-18511
- Dante Alighieri, 1265-13212
- Dariot, Claude, 1533-15941
- Darwin, Charles, 1809-18821
- Darwin, Erasmus, 1731-18021
- Daughter of New York1
- David Bugbee & Co.1
- Dayton, Hiram1
- De Witt & Davenport2
- Dean, Henry, 1788-18491
- Debrett, John, -18221
- Defoe, Daniel, 1661?-17311
- Deighton, Bell, and Co.1
- Derby & Hewson1
- Derby and Miller1
- Derby, George Horatio, 1823-18611
- Derby, J. C. (James Cephas), 1818-18921
- Dick & Fitzgerald1
- Digges, Leonard, -approximately 15592
- Digges, Thomas, -15951
- Diomedes (Grammarian), active 4th century1
- Dobson, Austin, 1840-19213
- Dodd, Mead & Company1
- Doesticks, Q. K. Philander, 1831-18751
- Donatus, Aelius3