Columbia subject headings:
Harvard subject headings:
Biblioteca comunale di Vignola (Italy)
Ungar, Antonio, 1884-1918--Books and reading.
Ungar, Antonio, 1884-1918--Library.
Princeton subject headings:
Biblioteca comunale di Vignola (Italy)--Catalogs.
Catalogs.
Ungar, Antonio--Books and reading.
Ungar, Antonio--Library--Catalogs.