* Poster protesting study of the Hebrew language in schools. [Jerusalem], Yehuda and Yerushalayim press. [1918]. [1] leaf, 31×23 cm. Sharp poster signed by Rabbi Yitzchak Yeruchem Diskin, Rabbi Yosef Chaim Sonnenfeld and Rabbi Moshe Nachum Wallenstein. * Poster protesting soccer games on Shabbat by Rabbi Yosef Chaim Sonnenfeld. [Jerusalem], Zukerman press. [c. 1930]. [1] leaf, 47×31 cm. The poster notes that offenders that publicly desecrate the Shabbat remove themselves from the Jewish Nation. As long as they do not repent, they are considered wicked and it is prohibited to associate with them. Fine condition.