The Jews in Latvia. Editorial Board: M.Bobe, S.Levenberg, I.Maor, Z.Michaeli. Tel Aviv, 1971. Siin: Mendel Bobe, Four Hundred Years of the Jews in Latvia (A Historical Survey), p.21-49; Ella Amitan-Wilensky, Esthonian Jewry. A Historical Summary, p.336-347; Bibliography, p.371-373.