Columbia subject headings:
Harvard subject headings:
Biblioteca comunale di Piombino--Catalogs.
Cardarelli, Romualdo--Libraries--Catalogs.
Private libraries--Italy--Piombino--Catalogs.
Princeton subject headings:
Cardarelli, Romualdo, 1886-1962--Library--Catalogs.
Private libraries--Italy--Piombino--Catalogs.