. . "A.I.S.C iron and steel beams, 1873 to 1952"@en . "Iron and steel beams, 1873-1952"@en . . "Historical record, dimensions and properties : rolled shapes, steel and wrought iron beams & columns, as rolled in U.S.A., period 1873-1952"@en . . . "Iron and steel beams 1873 to 1952"@en . "Historical record, dimensions and properties : rolled shapes, steel and wrought iron beams & columns, as rolled in U.S.A., period 1873 to 1952, with sources as noted"@en . "Historical record, dimensions and properties rolled shapes, steel and wrought iron beams & columns, as rolled in U.S.A., period 1873 to 1952, with sources as noted"@en . . . . . . . . . . . . "Historical record, dimensions and properties : rolled shapes, steel and wrought iron beams & columns, as rolled in U.S.A., period 1873 to 1952"@en . "Historical record, dimensions and properties rolled shapes, steel and wrought iron beams & columns, as rolled in U.S.A., period 1873 to 1952"@en . "Historical record, dimensions and properties: rolled shapes, steel ad wrought iron beams & columns, as rolled in U.S.A., period 1873 to 1952"@en . . "Iron and steel beams, 1873 to 1952"@en . . . . . "Rolled shapes, steel and wrought iron beams & columns"@en . . . "Columns, Iron and steel." . . "Girders." . . "Steel, Structural." . . "American Institute of Steel Construction." . .