Otto Blumenthal – Aachener Adressbuch 1926
| Given name | Otto |
|---|---|
| Family name | Blumenthal |
| Title | Prof. |
| Occupation | Professor an der technischen Hochschule |
| Address | Rütscher Str. 38 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 28 |
| Year | 1926 |
| Telefonnummer | 2181 |