Ha-Shiloah (Ahad Ha`am's monthly), Berlin Odessa, 1896-1902.
Max Nordau, Zionistische Schriften, Köln, 1909.
Dubnow, Letters about the Old and New Judaism, St. Petersburg, 1907, pp. 164 et seq., 181 ff., 230 et seq. (The first two "letters" were translated into German, Jud. Verlag, Berlin, 1903.)
Ahad Ha'am, `Al Parashat Derakhim, vols. I-III, 1895-1904 (partly in English and partly in German translation).
J. Klausner, Dukhovny Sionisme ("Spiritual Zionism"), St. Petersburg, 1900.
Frumkin, "Sketches from the History of the Jewish Workingmen's Movement, 1885-97," Yevr. St., 1913.
Geschichte vun d. Judische Arbeiter-Bewegung in Russland (Yiddish), Geneva, 1900.
Medem, Natzionalnost i Proletariat ("Nationalism and the Proletariat") in Kastelanski's collection, Formy natzionalnavo dvizhenia v sovremiennykh gosudarstvakh ("The Forms of the National Movement in Contemporary Governments"), St. Petersburg, 1910, pp. 772 et seq.
"Bund" in Russian Jew. Encycl., vol. V, p. 93 et seq.