Historic Addressbooks Addressbook entry for Otto HAAK
| Given name | Otto | 
|---|---|
| Family name | Haak | 
| Occupation | Handlungsgehilfe | 
| Address | GutenBergstraße 30 | 
| Place | Brandenburg (Havel) | 
| Source | Adreß-Buch von Stadt und Dom Brandenburg (Havel) 1927, Seite 87 | 
