Four Books with Signatures of Baghdadi Rabbis

Four books with signatures of Baghdadi rabbis, 19th century:
· Livyat Chen, on grammar of the Holy Tongue, by R. Emanuel son of R. Yekutiel Benevento. [Mantova, 1557]. Lacking title page and following leaf. Inscriptions and signatures on front flyleaves and on page 70/a: "The writer Moshe C. Sassoon Mordechai" [R. Moshe son of Chacham Sassoon Mordechai, Baghdadi sage].
· Et Sofer by the Radak. Ełk (Lyck), 1864. On the front printed wrapper is the signature: "Sassoon Eliyahu son of R. Moshe HaLevi" [R. Sassoon Eliyahu HaLevi, a Baghdadi rabbi, Dayan in the Beit Din together with the Ra'avad R. Eliyahu Yehoshua Ovadia].
· Chanoch LaNa'ar, printed in Livorno [in the printing press of Eliyahu son of Amozag, date unknown]. Partly lacking (lacking four of eight leaves). On the title page is a signature of "Sassoon Eliyahu son of R. Moshe HaLevi" [R. Sassoon Eliyahu HaLevi, Baghdadi rabbi, see above].
· Davar B'Ito, Part 1, by R. Sassoon Mordechai. Livorno, [1862]. On the front free endpaper is the signature "Sassoon C. Abdullah Somech" [R. Sassoon son of R. Abdullah Somech, Baghdadi sage].
Four books, size and condition vary.
Provenance: Sassoon family collection.