A New York bookseller, Warshaw assembled this collection over nearly fifty years. Subseries 1.1 is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana .
The materials document the orders placed by the clients of the Scurlock Studio. The photographs primarily depict individual portrait sittings but there are also portraits of children, groups, and other subjects.