| Title | Hapgood Plow Co.. Letter |
| Genre | Letters (correspondence) |
| Form | correspondence |
| Call Number | ave_biggert_00148 |
| Date | 1909 |
| DOI | 10.7916/D8DJ6SNK |
| Companies | Hapgood Plow Co. |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Alton, Illinois, United Statesadd_location |