The interpretation timeline
Sirach 51:14 Douay-Rheims

I called upon the Lord, the father of my Lord, that he would not leave me in the day of my trouble, and in the time of the proud without help.

1849 – 1863 2 witnesses 3 excerpts

Post-Reformation

c. 1650 – 1900
1849
A.D.
1774–1849
“The Father. Grotius asserts boldly, that it should be, “my Father,” and that some Christian has changed this. But his authority may be rejected, when he brings no proof; and Bossuet has solidly refuted him. The passage clearly proves the belief of the second person, and seems to allude to Psalm cix. 1. (Drusius; Vatable, &c.) (Calmet)”
Source
1863
A.D.
1796–1863
“This remarkable phrase seems to have reference to Ps. cix. It was proper that clearer indications of the mystery of the Trinity should be given, as the time of the Incarnation of the Son of God approached.”
“In time when there is no help.”
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.