Columbia subject headings:
Harvard subject headings:
Businessmen--Germany--Biography
Engineers--Germany--Biography.
Inventors--Germany--Biography.
Linde, Carl, 1842-1934--Homes and haunts--Germany--Obersalzberg.
Linde, Carl, 1842-1934.
Obersalzberg (Germany)--History.
Princeton subject headings:
Businesspeople--Austria--Biography.
Inventors--Austria--Biography.
Land tenure--Political aspects.
Linde, Carl, 1842-1934.
Refrigeration and refrigerating machinery--Germany--History--19th century.
Tourism--Austria--19th century.