SELECTED BIBLIOGRAPHICAL SOURCES: RAV MORDECHAI ELIASHBERG
- "Trumat Yad" by Mordechai Eliashberg, published in Vilna, 1875 (in Hebrew).
- "Shvil Ha'Zahav ("The Golden Path") - A collection of essays written by Mordechai Eliashberg, published by his son Yonathan in 1896 (in Hebrew)
- Yahadut Lita, Vol.3 (Hebrew). Rav Eliashberg has mentions there.
- Berl Kagan's book on Lithuanian communities (in Iddish): "Yidishe Shtetl, Stetlech un Dorfishe Yishuvim in Lita", published in 1991. Rav Eliashberg has mentions there.
- The Hebew Encyclopedia. Rav Mordechai has an item, Vol 3, page 534.
- Encyclopedia of Orthodox Zionism, Jerusalem 1958. Rav Mordechai has an item there.
- Rabbi Mordechai Eliashberg, "Shorashim Library" edited by A.M. Genachowski, Shrebeck publisher, Tel Aviv, 1947.
- Pinkas HaKehilot by Dov Levin (in Hebrew). Rav Eliashberg has mentions there.
- Rabbi Yehuda Leib Maimon's "Sarei HaMeah", published by Mossad HaRav Kook. In the end of Volume 6, there is an index of individuals mentioned in the book, listed by first name. Rav Eliashberg has about 7 or 8 mentions there.
- A collections of letters written by and to Harav Kook, published by Mossad Harav Kook (in Hebrew). Rav Eliashberg has mentions there.
- Di geshikhte fun di Idn in Letland fun yor 1561-1923 [History of the Jews in Latvia], published in 1928 in Riga, Latvia. Rav Mordechai Eliashberg and his son Yonathan have mentions there.