Frederick I (Barbarossa); Frederick the Great; Martin Frobisher
name: label: Collection Creator
content: Charles Scribner's Sons
setName: label: See more items in
content: Charles Scribner's Sons Art Reference Department records
label: See more items in
content: Charles Scribner's Sons Art Reference Department records / Series 1: Portrait Files
unitdate: label: Date
content: undated
container: label: Container
content: Box 2, Folder 39
dataSource: label: Archival Repository
content: Archives of American Art
objectType: label: Type
content: Archival materials