Sheʾelot u-teshuvot - Alfasi, Yitsḥaḳ ben Yaʿaḳov 1013-1103 (Mekhon Tsevi lemoreshet gedole Yiśraʾel, 1974)
Cover title: Shut Rabenu Yitsḥaḳ Alfasi. - Spine title: Shut ha-Rif