Four Responsa and Halacha Books

A. Cheker Halacha - responsa by Rabbi Elazar Killir, author of "Or Chadash". Wein, 1838. First edition.
On the title page it is written "First Section", however no additional sections had been printed.
At the beginning of the book, a letter and approbation by the Chatam Sofer.
(4), 84 leaves.
Condition: Very Good. High-quality leaves.
Bound with:
B. Nachalei Mayim - novellae on the Jerusalem and Babylonian Talmud, with "Mei Menuchot" - novellae on Midrash Rabba and Aggadot ha'Zohar and with "Ein Ha'Mayim" - responsa by Rabbi ya'akov Meit Padova Av Beit Din of Brisk. Warsaw, 1883. First edition.
With approbations and novellae by the author's sons and novellae by Rabbi Aharon ben Rabbi Meir of Padova, author of "Minchat Aharon".
(4), 242, (1) pp.
Condition: good. The back binding is missing. Loose leaves.
C. Birkat Cohen - responsa on the four parts of the Shulchan Aruch by Rabu Tuviya Guttman Ha'Cohen Rappaport Av Beit Din of Kielce. Pietrekov, 1908. First edition.
With an approbation by the Genius of Brisk Rabbi Chaim Soloveitchik and more.
(3), 8, 167 pp. 27 cm.
Condition: Excellent. High-quality leaves.
D. Kuntras Nes La'Shoshanim - novellae on Hanukkah according to the Shabbat tractate. By Rabbi Chaim Meshulam Kaufman Ha'Cohen Av Beit Din of Pultusk. Warsaw, 1909. First edition.
At the beginning of the book, 16 pages of novellae by the author's rabbi, Rabbi Meir Yechiel of Ostrowiec. At the end of the book, novellae and comments on the book by Rabbi Chaim Elazar Wax.
(2), 16, 173 pp.
Condition: Good. Wear and slight flaws.