Columbia subject headings:
Building, Iron and steel--Testing.
New York World's Fair (1964-1965 : New York, N.Y.)
Reinforced concrete construction--Testing.
Harvard subject headings:
Building, Iron and steel--Testing.
New York World's Fair (1964-1965 : New York, N.Y.)
New York World's Fair (1964-1965)
Reinforced concrete construction--Testing.
Princeton subject headings:
Building, Iron and steel--Testing.
New York World's Fair (1964-1965 : New York, N.Y.)
Reinforced concrete construction--Testing.