יסוד העבודה
Subtitle: ... le-ḳerev levavan shel Yiśraʼel le-avihem shebe-shamayim ...
By: me-et Avraham mi-Slonim
Edition: Mahad. ḥadashah mugahat u-meshukhlelet.
Publisher: ha-Yeshivah Bet Avraham Yerushalayim
Published: 1972
Place of publication: Yerushalayim; New York
Language: heb
Subjects: Jewish ethics; Hasidism
Other titles: Yesod ha-ʻavodah; Mikhteve ḳodesh
Notes: Reprint of the 1958 or 1959 ed. Vol. 2 originally published: Varsha, 761 [1891 or 1892].