«Jerusalem (Israel)». Flags of the World(en inglés). Consultado el 23 de mayo de 2017.
tabletmag.com
Friedman, Joshua (30 de junio de 2009). «Prayer type». Tablet magazine(en inglés). Nextbook. Consultado el 23 de mayo de 2017. «His break came when the Jewish National Fund hired him to lead its first graphics department. In this position, which he kept for 21 years, Koren oversaw the creation of many of Israel’s most prominent symbols, including its first postage stamp and, in his own design, the seal of the city of Jerusalem—a lion rampant in front of the Wailing Wall, framed by olive branches—still in use today.»
