Columbia subject headings:
Archives--France--Paris.
History, Modern--19th century--Sources--Bibliography.
History, Modern--20th century--Sources--Bibliography.
Libraries--France--Paris.
Harvard subject headings:
History, Modern--19th century--Sources--Bibliography.
History, Modern--20th century--Sources--Bibliography.
Princeton subject headings:
Archives--France--Paris.
History, Modern--19th century--Sources--Bibliography.
History, Modern--20th century--Sources--Bibliography.
Libraries--France--Paris.