Columbia subject headings:
Harvard subject headings:
Businessmen--Germany--Biography
Chemists--Germany--Biography
Fikentscher, Friedrich Christian, 1799-1864--Correspondence.
Fikentscher, Friedrich Christian, 1799-1864.
Industrialists--19th century--Biography.
Pharmacists--Germany--19th century--Biography.
Pharmacists--Germany--Biography.
Princeton subject headings:
Fikentscher, Friedrich Christian, 1799-1864.
Industrialists--19th century--Biography.
Pharmacists--Germany--19th century--Biography.