Creator
- Kriegsmann, James.1
- Kropp, F. C.1
- Krugler, Josh1
- Kugler, W. A.1
- Kuhli, L. F. (Louis F.), approximately 1873-1
- Kuhns.1
- Kummer, George B.1
- Kumpf & Reis (Frankfurt am Main, Germany)1
- Kuprion, J. F.1
- Kurtz, WIlbur G. (illustrator)1
- Kutcher Studios (Philadelphia, Pa.)1
- Kyle [Kiles]1
- Kytle, Calum1
- L. Bamberger & Co. (Newark, N.J.)1
- L. Motz Studio.1
- L.B. Prince Co.1
- L.H. Bellin Studio (Providence, R.I.)1
- L.H. Sansiper Photo.1
- La Mon, W. Entrekin.1
- La Perla Studio.1