| Description |
English: Portrait of Ambroise Firmin Didot by R. H. Sommer, from a series of “Early Master Printers” in The Inland Printer
|
| Date | |
| Source | The Inland Printer, March 1922 (https://archive.org/details/inlandprint6819211922chic/page/n23) |
| Author | R. H. Sommer |