From the early Church Fathers to now.
“But the children of Ammon and Moab came to Holofernes, saying: The children of Israel trust not in their spears, nor in their arrows, but the mountains are their defense, and the steep hires and precipices guard them.”
“Children of. Greek and Syriac, “the chiefs of the sons of Esau,” as Idumea had been conquered, chap. iii. 14. They omit Ammon, and after Moab subjoin “the generals of the maritime countries;” Tyrians and Philistines. (Haydock)”
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.