Columbia subject headings:
Giacosa, Giuseppe, 1847-1906--Archives.
Illica, Luigi, 1857-1919--Archives.
Puccini, Giacomo, 1858-1924. Bohème.
Harvard subject headings:
Giacosa, Giuseppe, 1847-1906--Archives.
Illica, Luigi, 1857-1919--Archives.
Puccini, Giacomo, 1858-1924. Bohème.
Princeton subject headings:
Giacosa, Giuseppe, 1847-1906--Archives.
Illica, Luigi, 1857-1919--Archives.
Puccini, Giacomo, 1858-1924. Bohème.