Exploring the Art of Rational Thinking, appendix A
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content: Marion Harper Papers / Series 4: Research Notes and Unpublished Manuscripts / 4.3: Management and Business
unitdate: label: Date
content: undated
container: label: Container
content: Box 10, Folder 8
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials