This collections consists of over 3,700 glass plate negatives of photographs taken all across the world between 1900 and 1930 by siblings Anna and S. Virgil Chandler. They traveled extensively and this collection documents those excursions. They collected and organized the negatives by state, region, and country based on their own travel and study in these locations. The collection also includes uncategorized glass plate negatives, as well as photographic prints and negatives derived from the glass plates.