Jerome, Saint. [Letter to Marcella, 384-6 (2)] in Sancti Eusebii Hieronymi Epistulae ep.37

[Letter from Jerome to Marcella]
Jerome refuses to send her commentaries she asked for because he has found them full of errors. While they may be of some use to others, they would not be to her.
Online at Epistolae (See also Bibliographia record).