Columbia subject headings:
Lopukhin family.
Nobility--Russia--Biography.
Russia--History--Biography.
Harvard subject headings:
Lopukhin family.
Nobility--Russia--Biography
Nobility--Russia--Genealogy
Russia--Biography
Russia--Genealogy.
Russians--Foreign countries--Biography
Russians--Foreign countries--Genealogy.
Soviet Union--Biography.
Soviet Union--Genealogy.
Princeton subject headings: