Tevuna iyunim u-veʾurim be-Mishne Tora leha-Rambam ve-hagahot ʿal ha-Talmud Yerushalmi - Ḳrasilshtsiḳoṿ, Yitsḥaḳ Ayziḳ 1888-1965 (Daʿat Tora ; Mosad ha-rav Ḳuḳ, 1976)
Introd. to v. 2 also in English. - Vol. 1 originally published in 1926