2. Mishkoltz (Rabbi Shimon Zeev Ehrenreich (son of Rabbi Shlomo Zalman Ehrenreich of Simloy, who even wrote an approbation for the book), and Hishtadlus Mordechai Yoel Horowitz, with approbations of Rabbi Shalom Eliezer Marzfort (and the Rabbi of Simloy as noted above); facsimile of the handwritten approbations were printed in 1942, during the Shoah.
