Columbia subject headings:
Fouqué, F. (Ferdinand), 1828-1904--Correspondence.
Paris (France)--History--Siege, 1870-1871--Sources.
Volcanologists--France--Correspondence.
Harvard subject headings:
Fouqué, F. (Ferdinand), 1828-1904--Correspondence.
Le Coeur, Louise, 1828-1893--Correspondence.
Paris (France)--History--Siege, 1870-1871--Sources.
Volcanologists--France--Correspondence.
Princeton subject headings:
Fouqué, F. (Ferdinand), 1828-1904--Correspondence.
Paris (France)--History--Siege, 1870-1871--Sources.
Volcanologists--France--Correspondence.