Heywood, Harold. Introductory Remarks to Session on Solar House Heating
setName: label: See more items in
content: Fritz P. Grutzner Papers
unitdate: label: Date
content: 1955-11-03
container: label: Container
content: Box 2, Folder 6
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials