The interpretation timeline
Sirach 44:20 Douay-Rheims

Abraham was the great father of a multitude of nations, and there was not found the like to him in glory, who kept the law of the most High, and was in covenant with him.

1 witness

Post-Reformation

c. 1650 – 1900
1849
A.D.
1774–1849
“Multitude. His name implies as much. (Calmet) — He was father of all who believed in Christ. (Worthington)”
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.