Ketko, S., & Jaffe, B. (1960). A Herzl Reader: Background material for discussions on Theodor Herzl, the jewish problem and zionism.

Ketko, Shlomo, and Benjamin Jaffe. A Herzl Reader: Background Material for Discussions on Theodor Herzl, the Jewish Problem and Zionism. Jerusalem, 1960.

Ketko, Shlomo, and Benjamin Jaffe. A Herzl Reader: Background Material for Discussions on Theodor Herzl, the Jewish Problem and Zionism. 1960.