Columbia subject headings:
Gentry--Poland--Biography.
Lachman family.
Poland--Biography.
Poland--Intellectual life--19th century.
Poland--Social life and customs--19th century.
Sisters--Poland--Biography.
Harvard subject headings:
Gentry--Poland--Biography.
Lachman family.
Poland--Social life and customs--19th century.
Sisters--Poland--Biography.
Princeton subject headings: