Leonhard Euler | Leonhard Frank | Bad Sankt Leonhard im Lavanttal | Rudolf Leonhard | Oscar Tietz | Leonhard Graf von Blumenthal | "Tietz" | Tietz | Leonhard von Stryk | Leonhard von Hohenhausen | Leonhard Hess Stejneger | Hermann Tietz |
Herrmann and Oscar Tietz concentrated on the South and East, while Leonhard Tietz (“Kaufhof”) was active in the West and in Belgium.