Creator
- Ingbet Grüttner1
- Institute of Biology2
- Interstate Photographers3
- Isaacs, Robert A.1
- Jackson, Robert L.1
- James R. Smith & Son2
- Jeffrey, Bob1
- John Leng & Company, Ltd.1
- Jones, Kitty1
- Joseph, Glenn4
- Joseph, Glenn H.1
- Karjalas' Photo Vision73
- Kassler Studios6
- Kauffman, Julius4
- Kaye, Wilbur I.1
- Kirkpatrick, Sidney D.1
- Knowles, Joseph E.1
- Kring, Charles J.1
- Kristofferson, T. E.1
- Laemmle, George J.1