Columbia subject headings:
Harvard subject headings:
Companhia União Fabril--History.
Industrialists--Portugal--Biography.
Industrialization--Portugal--Barreiro (Setúbal)--History--20th century.
Silva, Alfredo da, 1871-1942
Princeton subject headings:
Companhia União Fabril--History.
Industrialists--Portugal--Biography.
Industrialization--Portugal--Barreiro (Setúbal)--History--20th century.
Silva, Alfredo da, 1871-1942.