The most important item in the National Museum in Sarajevo is the Sarajevo Haggadah, a Jewish illuminated codex originally from 12th century Spain. Other important items include Hrvojev's mass (Hrvojev misal) and Hval's Codex (Hvalov zbornik), both Bosnian books of liturgy produced in Croatia at the start of the 15th century, a 16th-century Kur’an and Leontiev's New Testament (Leontijevo četverojevanđelje).