*Pitzei Ohev. Essay By Rabbi Avraham Yitzchak HaKohen Kook. Published by Histadrut Yerushalayim. Jerusalem, Solomon Press [1921]. First edition.
[1] 5 pages, paper jacket title, 15 cm. Rebuke regarding desecration of the Shabbos, consumption of unkosher food, and immoral behavior in the new yishuv in Eretz Yisrael. Fine condition.
* Iggeret HaTaharah by Rabbi Avraham Yitzchak HaKohen Kook. Published by Merkaz HaRav by Degel Yerushalayim. Jerusalem, Solomon Press. [1921]. First edition.
7 pages, detached paper jacket. 13 cm. Regarding immersion in the mikveh. Fine condition.
* Calendar with image of Rabbi Kook. New York [end of 1930s?]. 14×19 cm.At center picture of the Temple Mount and the Tower of David topped by a picture of Rabbi Avraham Yitzchak HaKohen Kook. The bottom section features the Hebrew verse with English translation: If I forget thee, Jerusalem. The back features printed information in Yiddish and English regarding the financial aid needed for the Yeshiva HaMerkazit HaOlamit founded by Rabbi Kook. Fine condition.