Jerome, Saint. Praefatio Hieronymi in Librum Josue Ben Nun in Patrologiae cursus completus. Series Latina (Patrologia Latina) 28.461-464

[Letter from Saint Jerome to Eustochium]
This is the preface to the translation of Joshua; the translations of Judges and Ruth seem to have no separate prefaces while the preface to Esther was apparently written before Paula died because it is addressed to both Paula and Eustochium. As so often, Jerome uses the occasion to counterattack those who disparage his work.
Online at Epistolae (See also Bibliographia record).