Abstract The Ronald Olin Collection of Cartes de visite Photographs includes 362 photographs, taken in various places in the United States, Canada and Europe. It reflects the collecting of these and other types of images by Dr. Olin over many years and from many sources. The date range is from approximately 1850 to 1890, though most are undated. All of the cartes de visite in the collection are portraiture. There are many unique items in this collection. It is a small but nice collection of images both...