Columbia subject headings:
Nobility--France--Périgueux--Genealogy.
Périgueux (France)--History.
Harvard subject headings:
Périgueux (France)--Genealogy.
Périgueux (France)--Social conditions.
Upper class--France--Périgueux--History.
Princeton subject headings:
Nobility--France--Périgueux--Genealogy.
Périgueux (France)--History.