As a Subscriber you will see all 109 images which will give you a far better sense of what was happening within a single year. At the moment you can see 4.
Théophile Victor Desclaux (print maker) Louis Léopold Robert (painting), 1844, Les moissonneurs dans les marais Pontins, Print, etching / engraving, Rijksmuseum, LL/120174
Unidentified artist (English), 1844, Portrait of seated young man, boy standing by his side, Fizeau process engraving from a daguerreotype, George Eastman Museum, LL/69952
William Henry Brown (American, Charleston, 1808-1883), 1844, Silhouette Portrait of John Marshall, Lithograph, with tint stone, Metropolitan Museum of Art, LL/16992
Henry Fox Talbot, 1844, "Talbotype, on paper, taken from Nature, by Fox Talbot Esq, the discoverer of the process" - "Copied from Nature by Light", Salt print, Preus Museum, LL/113794
, 1844, The Open Door, [The Pencil of Nature Plate VI], Source requested, LL/6072
Unidentified photographer / artist, 1844, Title page for "Mélanges photographiques: Complément des nouvelles instructions sur l'usage du Daguerreotype" by Charles Chevalier (Paris: Charles Chevalier, 1844), Title page, Google Books, LL/34662
Charles Chevalier, 1844, Prix courant des Daguerreotypes ou Photographs perfectionnes et construits par Charles Chevalier, Book page, Google Books, LL/34661