The Litchfield Historical Society photograph collection is an artifical collection brought together by staff that contains photographs that primarily were part of the vertical files collection. They are arranged into three series by format: Series 1. Prints; Series 2. Daguerreotypes, ambrotypes, and tintypes; and Series 3. Glass plates. The content of the prints and glass plates are categorized in this finding aid by subject; the physical objects are arranged by accession.