Apollyon Institute, Incorporated
name: label: Collection Creator
content: Harper, Marion, 1916-1989 (advertising executive)
setName: label: See more items in
content: Marion Harper Papers
label: See more items in
content: Marion Harper Papers / Series 4: Research Notes and Unpublished Manuscripts / 4.5: General and Unidentified
unitdate: label: Date
content: undated
container: label: Container
content: Box 19, Folder 10
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials