Teshuvot ha-geʾonim ha-ḥadashot : ṿe-ʿiman teshuvot, pesaḳim u-ferushim me-et ḥakhme Provans ha-rishonim = Newly discovered Geonic responsa and writings of early Provençal sages, edited from MS Guenzburg 566, Russian State Library, Moscov and Genizah fragment, with introduction, indices, explanatory notes and comments, newly updated and supplemented edition - ʿImanuʾel, Śimḥah (Herausgeber, Verfasser von Zusatztexten) (Mi-toratan shel geʾonim ṿe-rishonim, 2018)