Scope and Content of the Collection From the Collection: Each portrait sheet measures approximately 15 inches by 10 inches and all are matted to a uniform dimension of 20 inches by 15 inches. Names, tribal affiliations, locations, and dates for the majority of the drawings were included with the portraits by Burbank and reflect the artist’s rather eccentric and inconsistent phonetic spelling. Where possible, tribal and place names have been standardized in order to facilitate access to the collection. Content lists for individual boxes have been...