| Title | 1920 US Census - Household of Gustav Koch | |
| Date | 5 February 1920 | |
| Media | Ancestry.com digital image | |
| Page | page 5A, lines 17-19 | |
| Locality | SD 3, ED 1, Bensenville, DuPage County, Illinois, USA | |
| Media Type | Census | |
| Source ID | S1898 | |
| Linked to Individuals: 3 |
Emma Catharina Franzen Rev. Gustav Koch Ida C. Koch | |