Columbia subject headings:
Caesar, Julius--Assassination.
Cicero, Marcus Tullius. Ad Atticum.
Rome--History--53-44 B.C.
Harvard subject headings:
Caesar, Julius--Assassination.
Cicero, Marcus Tullius. Ad Atticum
Rome--History--53 B.C.-44 B.C.
Rome--History--53-44 B.C.
Rome--Politics and government--265 B.C.-30 B.C.
Rome--Politics and government--265-30 B.C.
Princeton subject headings:
Caesar, Julius--Assassination.
Cicero, Marcus Tullius. Ad Atticum.
Rome--History--53-44 B.C.