Il suo lavoro prese una nuova piega con il profondamente [[Allegoria|allegorico]] ''Di Bergshtayger'' (''Gli scalatori di montagne'', 1912); la "montagna" in questione è la vita stessa.
During this period he also undertook the major novels ''Arnold Levenberg: Der Tserisener Mentsh'' (''Arnold Levenberg: The Split Personality'', begun 1919) and ''The House of Noah Edon'' which was published in English translation in 1929; the Yiddish original was published in 1938 by the Wydawnictvo ("Publishers") Ch. Brzozo, Warsaw.<ref>Photocopy of title and publication page in possession of editor to be scanned and uploaded shortly</ref> The former centers on an Uptown, aristocratic German Jew, who is portrayed as an overefined and [[decadence|decadent]], crossing paths with, but never fully participating in, the important events and currents of his time. The latter is a multi-generational saga of a [[Lithuania]]n Jewish immigrant family, an interpretation of assimilation modeled on Peretz's ''Four Generations—Four Testaments''.
