Sipure Ben Sira bi-Yeme ha-benayim : mahadurah biḳortit u-firḳe meḥḳar = The tales of Ben Sira in the Middle-Ages : a critical text and literary studies - Yasif, ʿEli (Verfasser) (Hotsaʾat sefarim ʿa.sh. Y.L. Magnes, ha-Universiṭah ha-ʿIvrit, 1984)