Ḥalfon ha-soḥer ha-maśkil ṿe-ha-noseʿa ha-gadol : teʿudot mi-Genizat Ḳahir = Halfon and Judah Ha-Levi : the lives of a merchant scholar and a poet laureate according to the Cairo Geniza documents - Goitein, Shlomo Dov (Verfasser); Fridman, Mordekhai ʿAḳiva (Verfasser) (Sefer Hodu / Shelomoh Dov Goiṭain ; Mordekhai ʿAḳvia Fridman, 2013)