Creator
- Hollis, C. R.1
- Home Studio of Photography (Philadelphia, Pa.)1
- Horizon Studios (Pompano Beach, Fla.)1
- Horn, Pinchos.1
- Hovey & Co.1
- Howe's Shop (Southern Pines, N.C.)1
- Huff, J. L.1
- Huffman (Chillicothe, Mo.)1
- Hugh Leighton Co., Manufacturers (Portland, Me.)1
- Hunt, John.1
- Hunter-Wilson.1
- Hurman Studio.1
- I. P. C. & N. Co.1
- Imperial Institute (Great Britain)1
- Imperial Publishing Co.1
- International Artists Corporation.1
- International Post Card & Mfg. Co. (St. Louis, Mo.)1
- International Post Card Co. (N.Y.)1
- J. J. Bilisoly.1
- J. P. Ball & Son (Helena, Mont.)1