World Congress of Jewish Studies <2, 1957>. (1957). Summaries of papers: Section: Demography of the Jewish people ; The Hebrew University, Jerusalem, 27th July - 4th August 1957.

World Congress of Jewish Studies <2, 1957>. Summaries of Papers: Section: Demography of the Jewish People ; The Hebrew University, Jerusalem, 27th July - 4th August 1957. Jerusalem, 1957.

World Congress of Jewish Studies <2, 1957>. Summaries of Papers: Section: Demography of the Jewish People ; The Hebrew University, Jerusalem, 27th July - 4th August 1957. 1957.