Columbia subject headings:
Cremona, Luigi, 1830-1903--Correspondence.
Genocchi, Angelo, 1817-1889--Correspondence.
Mathematicians--Italy--Correspondence.
Harvard subject headings:
Cremona, Luigi, 1830-1903--Correspondence.
Genocchi, Angelo, 1817-1889--Correspondence.
Mathematicians--Italy--Correspondence.
Princeton subject headings:
Cremona, Luigi, 1830-1903--Correspondence.
Genocchi, Angelo, 1817-1889--Correspondence.
Mathematicians--Italy--Correspondence.