Friedman, I. (1979). The Hilfsverein der deutschen Juden, the German foreign ministry and the controversy with the zionists, 1901-1918. Year Book / Leo Baeck Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedman, Isaiah. "The Hilfsverein Der Deutschen Juden, the German Foreign Ministry and the Controversy with the Zionists, 1901-1918." Year Book / Leo Baeck Institute 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFriedman, Isaiah. "The Hilfsverein Der Deutschen Juden, the German Foreign Ministry and the Controversy with the Zionists, 1901-1918." Year Book / Leo Baeck Institute, 1979.
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