| Title | Butler Brothers. Letter |
| Genre | Letters (correspondence) |
| Form | correspondence |
| Call Number | ave_biggert_00643 |
| Date | 1926 |
| DOI | 10.7916/D8V42663 |
| Companies | Butler Brothers |
| Collector | Biggert, Robert |
| Current Location | Avery Architectural & Fine Arts Library, Columbia University |
| IIIF Manifest |  |
| Locations | Minneapolis, Minnesota, United Statesadd_location |