| type of object | publication |
| to whom (or to what) is related to | Michael Plaza Henrietta Plaza née Zulowski |
| contents |
English only, 28 x A4 1. Children of Henrietta and Michael Plaza 2. Ancestors of Henrietta and Michael Plaza 3. Henrietta Plaza in Kopeć family — brief sketch 4. The whole Kopeć family |
| origin | Maciej Róg, 12 JAN 2007 |