Etkes, I. (2013). The war of Lyady Succession: R. Aaron Halevi versus R. Dov Baer / Immanuel Etkes. Polin.
Lua i Stíl Chicago (17ú heag.)Etkes, Immanuel. "The War of Lyady Succession: R. Aaron Halevi Versus R. Dov Baer / Immanuel Etkes." Polin 2013.
Lua MLA (8ú heag.)Etkes, Immanuel. "The War of Lyady Succession: R. Aaron Halevi Versus R. Dov Baer / Immanuel Etkes." Polin, 2013.
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