| Steel industry and trade -- Indiana -- Gary -- History. Matches 1 item |
| Steel industry and trade -- Juvenile fiction. Matches 1 item |
| Steel industry and trade -- Monongahela River Region (W.Va. and Pa.) Matches 1 item |
| Steel industry and trade -- Ohio -- History. Matches 1 item |
| Steel industry and trade -- Ohio -- Youngstown. Matches 1 item |
| Steel industry and trade -- Pennsylvania. Matches 1 item |
| Steel industry and trade -- Pennsylvania -- Braddock -- History -- Fiction. Matches 1 item |
| Steel industry and trade -- Pennsylvania -- Ellwood City. Matches 1 item |
| Steel industry and trade -- Pennsylvania -- History. Matches 1 item |
| Steel industry and trade -- Pennsylvania -- History -- 19th century. Matches 2 items |