Columbia subject headings:
Harvard subject headings:
Businesspeople--Germany--Hamburg--Biography.
Entrepreneurship--Germany--Hamburg--Biography.
Hamburg (Germany)--Biography.
Ohlendorff, Elisabeth von--Diaries.
Ohlendorff, Heinrich Jacob Bernhard von, 1836-1928.
Princeton subject headings:
Businesspeople--Germany--Hamburg--Biography.
Diaries.
Entrepreneurship--Germany--Hamburg--Biography.
Hamburg (Germany)--Biography.
Ohlendorff, Elisabeth von,--Diaries.
Ohlendorff, Heinrich Jacob Bernhard von 1836-1928.