ʿEts hadar : maśa u-matan shel halakhah ʿa.d. yitron etroge aḥenu ikare e.ha-ḳ .../ me-et Avraham Yitsḥaḳ ha-Kohen Ḳuḳ - Ḳuḳ, Avraham Yitsḥaḳ ([s.n.], 1966)