On cover: Historic American buildings survey. Recording the historic structures and early architecture of the United States and possessions by measured drawings, photographs and manuscripts. Circular of information.
"Conducted by the United States Department of the interior, National park service, in collaboration with the Library of Congress, the American institute of architects, the Federal emergency administration of public works, the Civil works administration, the Federal emergency relief administration, and the Works progress administration."--Verso of 1st prelim. leaf.