- H. E. Ladd & Co. (Minneapolis, Minn.) (1)
- H. N Burroughs (1)
- H. Pyall (4)
- H. R. (1)
- H.A.P (Draughtsman) (2)
- H.E. Bucklen & Company, Chicago (1)
- H.M. Gousha Company (2)
- H.M. Smyth Printing Company (1)
- H.M. Smyth Printing Company (Saint Paul, Minn.) (22)
- H.M. Smyth Printing Company, St. Paul, Minnesota (Engraver, Printer) (1)
- Habenicht, Hermann, 1844-1917 (1)
- Haber, William (2)
- Habib, Philip (2)
- Hachette (Firm) (1)
- Hackleman Music Company (Indianapolis, Ind.) (1)
- Hackmann, William (1)
- Hackworth, Jeff (1)
- Hacq, J. M (7)
- Hadjiyanni, Tasoulla (2)
- Haeffner, Johann Christian Friedrich. (1)
