From the early Church Fathers to now.
“Then Tobias exhorted the virgin, and said to her: Sara, arise, and let us pray to God today, and tomorrow, and the next day: because for these three nights we are joined to God: and when the third night is over, we will be in our own wedlock.”
“Then. Greek, “and when they were shut up together, Tobias ascended the bed, ( klines , on which it was customary to sit, (Haydock) or rather according to the Roman edition, he rose from the bed) and said, Arise, sister, and let us pray, that the Lord may take pity on us. And Tobias began to say,” ver. 7. (Haydock) — The rest is omitted. (Calmet)”
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.