| Title | 1920 United States Federal Census | |
| Author | Ancestry.com | |
| Publisher | Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2010; | |
| Repository | Ancestry.com | |
| Source ID | S10393 | |
| Linked to | PLACZEK, Anna PLACZEK, Bromslwa PLACZEK, Bromslwa PLACZEK, Carolina PLACZEK, Elizabeth Clara PLACZEK, Joe PLACZEK, Sophie | |