| Code | DS/UK/32 |
| Person Name | Hartz; Otto; Dr. |
| Surname | Hartz |
| Forenames | Otto |
| Title | Dr. |
| Activity | Teacher at the Staatliches Christianeum in Altona (since 1902 or earlier). |
| Relationships | Friend of Aby Warburg from student time in Bonn. |
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