Psalms 152 to 155 are additional Psalms found in two Syriac biblical manuscripts and several manuscripts of Elijah of Anbar [fr]'s "Book of Discipline",[1] first identified by the orientalist librarian Giuseppe Simone Assemani in 1759.
[4] "Spoken by David when he was contending with the lion and the wolf which took a sheep from his flock.
The text has six verses, the tone is non-rabbinical, and it was probably composed in Israel during the Hellenistic period[7] (c. 323–31 BC).
"Spoken by David when returning thanks to God, who had delivered him from the lion and the wolf and he had slain both of them.
[8] It is listed as the second of the apocryphal psalms by Wright who calls it "The Prayer of Hezekiah when enemies surrounded him".