Columbia subject headings:
Harvard subject headings:
Austrians--Germany--Biography.
Chemical industry--Germany--History.
Chemists--Austria--Biography.
Chemists--Germany--Biography
Gruber, Wolfgang, 1886-1971
Mountaineers--Austria--Biography.
Pioneers--Germany--Biography.
Wacker-Chemie GmbH--History.
Princeton subject headings:
Chemists--Germany--Burghausen (Altötting)--Biography.
Gruber, Wolfgang, 1886-1971.