Aus Die Offene Bibel
- Bulka, Reuven P. (1989): Isaac´s Blessing - Who was deceived?
- Cohen, Jeffrey (1991): These are the Generations of Isaac.
- Halpern, J. (1986): Words of Torah: Samson Raphael Hirsch´s Commentary on the Torah, translated into English by his grandson Isaac Levy, selected and arranged by J. Halpern. (zu Gen 24,27; 25,12)