Columbia subject headings:
Virgil--Criticism and interpretation.
Virgil--Language.
Virgil. Georgica.
Harvard subject headings:
Agriculture in literature.
Didactic poetry, Latin--History and criticism.
Military history in literature.
Political poetry, Latin--History and criticism.
Politics and literature--Rome--History.
Politics and literature--Rome.
Rome--In literature.
Virgil--Knowledge--Military art and science.
Virgil--Political and social views.
Virgil. Georgica.
Princeton subject headings:
Agriculture in literature.
Didactic poetry, Latin--History and criticism.
Military history in literature.
Political poetry, Latin--History and criticism.
Politics and literature--Rome.
Rome--In literature.
Virgil--Knowledge--Military art and science.
Virgil--Political and social views.
Virgil. Georgica.