Creator
- Greek Press and Information Service in New York1
- Haig, Alexander Meigs, 1924-20101
- Hanging Loose Press1
- Harper & Brothers1
- Haskell, Henry S.1
- Hiss, Alger1
- Holt, Hamilton, 1872-19511
- Hoover, Herbert, 1874-19641
- Houston, Herbert S. (Herbert Sherman), 1865-1
- Hull, Cordell, 1871-19551
- Hyde Family1
- International Labour Organisation1
- J.B. Dickinson (Firm)1
- Jacobs, Robert Allan, 1905-19931
- James O. Brown Associates1
- Jessup, Philip C (Philip Caryl), 1897-19861
- Kahn & Jacobs1
- Kahn & Morgan1
- Kahn & Saarinen1
- Kahn, Ely Jacques, 1884-19721