Columbia subject headings:
Harvard subject headings:
Authors and publishers--Italy--Piedmont--History--20th century.
Italian literature--Italy--Piedmont--Bibliography.
Piedmont (Italy)--Imprints.
Publishers and publishing--Italy--Piedmont--Directories.
Publishers and publishing--Italy--Piedmont--History--20th century.
Princeton subject headings:
Book industries and trade--Italy--Piedmont--Directories.
Catalogs.
Directories.
Piedmont (Italy)--Imprints--Catalogs.
Publishers and publishing--Italy--Piedmont--Directories.