| Horn Carl |
| Horn, Daniel |
| Horn, Ernesto |
| Horn Friedrich |
| "Horn L, Löhman H." |
| Horn Max |
| Horn Max |
| Horn Rudolf |
| Horne (De) |
| Horneffer Curt |
| Hornemann Max |
| Horner, F. |
| Horner, Frank W. |
| Horner, John L. |
| Horner, John L. |
| Horner, W.E. |
| Hornet, M.Th. |
| Hornhardt Otto |
| Hornichel Paul |
| "Horning, E.C.; Gardiner, W.L." |
| Hornstein Franz |
| Hornstein Franz |
| Hornstein, Joseph |
| Hornstein M. David |
| Hornstein, Otto |
