Creator
- Hachette (Firm)1
- Hadley, C. H.1
- Hallock, Grace T. (Grace Taber), 1893-1
- Hancock, William J.1
- Hardin, Clifford M. (Clifford Morris), 1915-20101
- Hare, H.A. (Hobart Armory), 1862-19311
- Harrison Bros. & Co.1
- Hartleben, A.1
- Hatch, K. L. (Kirk Lester), 1871-1
- Hatchard and Co.1
- Haughton, Samuel1
- Hawkins, N. (Nehemiah), 1833-19281
- Hearst's International Library Company1
- Heil, Louis Mace, 1903-1
- Heller, B.1
- Henry Carey Baird & Co.1
- Hercules Incorporated11
- Hercules Powder Company14
- Herlant, A.1
- Herlant, L.1