Mackay, John W.
name: label: Collection Creator
content: Jacques Seligmann & Co
setName: label: See more items in
content: Jacques Seligmann & Co. records
label: See more items in
content: Jacques Seligmann & Co. records / Series 2: Collectors Files / 2.4: Clarence H. Mackay Collection / 2.4.3: Alphabetical Correspondence
unitdate: label: Date
content: 1939-1940
container: label: Container
content: Box 236, Folder 4
dataSource: label: Archival Repository
content: Archives of American Art
objectType: label: Type
content: Archival materials