"[1] The Irish abbot and missionary Columba mentions Ithiel, along with Uriel, as one of seven angels charged with taking care of a monastery in his ode "Farewell".
[2] Arthur Cleveland Coxe, in his book Advent: a Mystery, treats Ithiel as an angel in conversation with the counterpart Adiel and writes their dialogue in the form of a play.
[3] Charles Morgridge has described the angel Ithiel as "prince of the seventh or lowest order of the hierarchy of heaven" and of being the weight of judgment for the men of God.
It begins with the palindrome “le-Ithiel” (לאיתיאל), meaning "to Ithiel", which can be read along each side of the magic square.
[7] According to Rosemary Ellen Guiley, barbarous names are used "to command all spirits of the firmament, ether, and the elements.