Columbia subject headings:
Castro, Scipione di, active 16th century.
Church and state--Italy--History--Sources.
Italy--History--1559-1789--Sources.
Spies--Italy--Correspondence.
Statesmen--Italy--Correspondence.
Harvard subject headings:
Castro, Scipione di, active 16th century.
Church and state--Italy--History--Sources.
Italy--History--1559-1789--Sources.
Spies--Italy--Correspondence.
Statesmen--Italy--Correspondence.
Princeton subject headings:
Castro, Scipione di, 16th cent.
Church and state--Italy--History--Sources.
Italy--History--1559-1789--Sources.
Spies--Italy--Correspondence.
Statesmen--Italy--Correspondence.