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This Libau banker, son of Yosef Katzenelson and Feye Breyne Katzenelson, took part in the Third Zionist congress at Basle, and was subsequently elected to the Directorate of the Jewish Colonial Trust. A close friend of Dr. Theodor Herzl, he was invited to accompany him to Saint Petersburg in 1903. After signing the Vyborg Manifesto, he spent three months in prison and was forbidden to stand again for election.
- Lipschitz, Dr. S. (1971). Jewish Communities in Kurland. The Jews in Latvia. Retrieved 2009-11-07.
- Slutski, Yehuda (1967). Memorial Book of the Community of Bobruisk and its Surroundings. Tel Aviv: Tarbut ve-hinukh. p. 871.