Columbia subject headings:
Castelli, Benedetto, 1577 or 1578-1643--Correspondence.
Mathematicians--Italy--Correspondence.
Harvard subject headings:
Castelli, Benedetto, 1577 or 1578-1643--Correspondence.
Scientists--Italy--Correspondence.
Princeton subject headings:
Castelli, Benedetto, 1577 or 1578-1643--Correspondence.
Mathematicians--Italy--Correspondence.