Columbia subject headings:
Great Britain--Genealogy.
Industrialists--Great Britain--Biography.
Steel industry and trade--Great Britain--History.
Thomas family.
Thomas, Richard, 1837-1916.
Harvard subject headings:
Great Britain--Genealogy.
Industrialists--Great Britain--Biography
Richard Thomas & Co.
Steel industry and trade--Great Britain--History
Thomas family.
Thomas, Richard, 1837-1916.
Princeton subject headings:
Great Britain--Genealogy.
Industrialists--Great Britain--Biography.
Steel industry and trade--Great Britain--History.
Thomas family.
Thomas, Richard, 1837-1916.