Columbia subject headings:
Booksellers and bookselling--Italy--Milan--Biography.
Hoepli, Ulrico, 1847-1935.
Publishers and publishing--Italy--Milan--Biography.
Harvard subject headings:
Antiquarian booksellers--Italy--Milan.
Booksellers and bookselling--Italy--Milan.
Hoepli, Ulrico, 1847-1935.
Publishers and publishing--Italy--Milan.
Rare books--Italy--Milan.
Princeton subject headings: