John Weber Gallery - Robert Smithson's Spiral Jetty and Nancy Holt's Swamp
name: label: Collection Creator
content: Leo Castelli Gallery
setName: label: See more items in
content: Leo Castelli Gallery records
label: See more items in
content: Leo Castelli Gallery records / Series 8: Castelli/Sonnabend Tapes and Films / 8.6: Rentals and Sales Records
unitdate: label: Date
content: 1975-1982
container: label: Container
content: Box 172, Folder 45
dataSource: label: Archival Repository
content: Archives of American Art
objectType: label: Type
content: Archival materials