Name
- Hawthorne, Julian, author, 1846-19341
- Hazell, Watson and Viney, printers1
- Hector, Annie French, alias 'Mrs Alexander', novelist1
- Highley, Samuel, of Add MS 596331
- Hoare, Mary Anne1
- Hodgson, William Earl, reviewer essayist and journalist1
- Hook, Walter, son of Walter Farquhar Cook, Rector of Porlock1
- Horne, Hengist, Richard Henry or author1
- Howard, Joseph Jackson, genealogical writer1
- Irwin, William Crommelin1
- Jackson, Catherine Hannah Charlotte, née Elliott author1
- James Burn and Co Ltd, bookbinders, 1781-19711
- Jennings, Cecil Frederick Joseph, solicitor1
- Jongh, Bertha de, author1
- Keil, Ernst, publisher of Leipzig1
- Kennedy, Thomas, solicitor1
- Keon, Miles Gerald, novelist and colonial secretary1
- Kerr, Arthur, of Add MS 596331
- King, E Augusta, Mrs author1
- Lindsay, Leonard C, Sec of the New Gallery Regent Street1