Cento Vergilianus
Proba's Christian cento composed of Virgilian verses adapted to biblical narrative, described by Lapide as the work of "the Latin Sappho."
Preface and Praise of Sacred Scripture
-
Chapter III: On the Difficulty of Sacred Scripture
— Proba described as "the Latin Sappho" who adapted Virgil's Aeneid to Christ
"as if someone were to imitate Proba Falconia (who was the Latin Sappho) in adapting Virgil's Aeneid... to Christ"