Columbia subject headings:
Harvard subject headings:
Maurer, Eduard, 1886-1969.
Metallurgists--Germany--Biography.
Stainless steel industry--Germany--History--20th century.
Steel--Metallurgy--History--20th century.
Princeton subject headings:
Maurer, Eduard, 1886-1969.
Metallurgists--Germany--Biography.
Stainless steel industry--Germany--History--20th century.
Steel--Metallurgy--History--20th century.