Columbia subject headings:
Browning, Robert, 1812-1889. Ring and the book.
Harvard subject headings:
Browning, Robert, 1812-1889. Ring and the book.
Princeton subject headings:
Browning, Robert, 1812-1889. Ring and the book.
Franceschini, Guido, conte, 1657-1698--In literature.
Franceschini, Pompilia, 1680-1698--In literature.
Murder in literature.
Rome (Italy)--In literature.