Two Books by Eliezer Ben Yehuda – New York, 1919 / Jerusalem, 1945 – Dedication by Chemda Ben Yehuda

Two books by Eliezer Ben Yehuda, one of them with a handwritten dedication by Chemda Ben Yehuda.
1. Ad Emati Dibru Ivrit? [Until when did they speak Hebrew?], by Eliezer Ben Yehuda. New York: Kadima, 1919.
One of the introductory chapters to the Ben Yehuda Dictionary. In this book, Ben Yehuda follows the use of the Hebrew language throughout Jewish history and attempts to determine the end of the time Hebrew was the spoken language.
132 pages, 17.5 cm. Good condition. Many stains. Defects and minor tears to binding.
2. Avot HaLashon HaIvrit Shel'acharei HaMikra, R. Akiva ben Yosef, "Edited and arranged with notes and revised versions by Eliezer Ben Yehuda Yerushalmi". Ben Yehuda publishing (published in memory of Eliezer Ben Yehuda), Jerusalem-Talpiot, "28 to the Balfour Declaration" [1945]. Additional Latin title page.
Book with the sayings of R. Akiva compiled from the sources: aggadot, halachot, conversations, etc. Published posthumously and brought to print by Elya Shmuel Hartum.
The first page is inscribed with a handwritten dedication by Chemda Ben Yehuda to Mordechai Zlotnik [Avida] (1909-1986), director of the Hebrew programs of Kol Yerushalayim, and member of the "Committee for improving Hebrew expression affiliated with the Va'ad HaLashon HaIvrit". The dedication is signed and dated – "Jerusalem, Erev Yom Kippur 28 Balfour".
[8], 255 pages, 20.5 cm. Good condition. Loose spine. The first leaf is partially detached. Stains. Folds and slight creases. Slightly worn cover, with stains and defects. Tears to w cover's edges and to spine (some open).