Columbia subject headings:
Harvard subject headings:
Authors, Italian--19th century--Correspondence
Authors, Italian--20th century--Correspondence
Lawyers--Italy--Correspondence.
Sonzogno, Edoardo, 1836-1920
Targioni-Tozzetti, Giovanni, 1863-1934. Cavalleria rusticana
Verga, Giovanni, 1840-1922--Correspondence.
Princeton subject headings:
Mascagni, Pietro, 1863-1945.
Publishers and publishing--Italy--History--19th century.
Sonzogno, Edoardo, 1836-1920.