Bethlehem Steel corporation. This is Bethlehem Steel : [Booklet]. - [Bethlehem] : [S. n.], [196?]. - 24 p. : ill. ; 23x19 cm. - 669.14(73) (NLA) . Subjects--Topical Terms: Metallurgy--Israel Universal Decimal Class. No.: 669.14(73) (NLA)