| 1 April 1842 Art-Union (London) Ewer archive: P8420002 |
text title: "Daguerreotype Portraits" notes: A brief notice regarding the daguerreotype portraits by Claudet. keywords: Antoine François Jean Claudet |
| 16 July 1842 Saturday Courier (Phildelphia) Ewer archive: N8420001 |
text title: "Daguerreotype" notes: A brief article about Philadelphia views; an advertisement by M. P. Simons. keywords: "Mr. Reed", Montgomery P. Simons |
| 31 July 1842 Atlas (New York) Ewer archive: N8420002 |
notes: Three advertisements: M. D. Van Loan, John Roach, E. White. keywords: Matthew D. Van Loan, John Roach, Edward White |