| Title | Eaton & Backus. Letter |
| Genre | Letters (correspondence) |
| Form | correspondence |
| Call Number | ave_biggert_01328 |
| Date | 1870 |
| DOI | 10.7916/D8N3182J |
| Companies | Eaton & Backus |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Toledo, Ohio, United Statesadd_location |