This collection is composed of research materials compiled by Mona Dearborn all relating to the miniature portrait artist Anson Dickinson(1779-1852). The materials in the collection are a combination of trade cards, workbooks, and various other documents that confirm the legitimacy of various portraits attributed to Anson Dickinson. The collection is composed of the work Anson Dickinson completed from 1803-1851 the start and end of his career as a portraiture artist. The total collection consists of three boxes containing 214 folders, all related to Anson Dickinson.