August Frz Leonhard Kayser – Adress-Buch von Frankfurt a. M. 1877
| Given name | August Frz Leonhard |
|---|---|
| Family name | Kayser |
| Occupation | Ingenieur u. Kfm |
| Address | alte Mainzergasse 21 |
| Place | Frankfurt |
| GOV identifier | FRAURTJO40IC |
| Book | Adress-Buch von Frankfurt a. M. 1877 |
| page | 213 |
| Year | 1877 |