| Industrial Workers of the World. Matches 1 item |
| Industrial Workers of the World -- History. Matches 4 items |
| Industrialists -- Biography. Matches 2 items |
| Industrialists -- Europe -- History. Matches 1 item |
| Industrialists -- Japan -- Biography. Matches 1 item |
| Industrialists -- Pennsylvania -- Pittsburgh -- Biography. Matches 1 item |
| Industrialists -- United States -- Biography. Matches 27 items |
| Industrialists -- United States -- Drama. Matches 1 item |
| Industrialists -- United States -- History -- 19th century. Matches 1 item |
| Industrialists -- United States -- Juvenile fiction. Matches 1 item |