"Title:" Cellar ceilings must be fire-retarded "Abstract:" Poster promoting use of fire retardant materials in home construction, showing a couple trapped in burning house. "Physical description:" 1 print on board (poster) : silkscreen, color. "Notes:" Work Projects Administration Poster Collection (Library of Congress).; F.H. La Guardia, Mayor - Langdon W. Post, Comm.; MW .; Date stamped on verso: Apr 16 1937.