The Yo-Yo: A Toy Fly Wheel American Scientist
name: label: Collection Creator
content: Duncan, Donald F., Jr.
label: Collection Creator
content: Duncan Yo-Yo Company.
setName: label: See more items in
content: Duncan Family Yo-yo Collection
label: See more items in
content: Duncan Family Yo-yo Collection / Series 3: YO-YO's / Magazines
unitdate: label: Date
content: 1984 March-April
container: label: Container
content: Box 20, Folder 18
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials