The Nuttall Encyclopedia
According to the Rabbins, the name of the angel of the planet Jupiter; also pseudonym assumed by Richard James Morrison, a naval officer, believer in astrology, and the compiler of an astrological almanac.
Wood, James, ed. Entry for 'Zadkiel'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/z/zadkiel.html. Frederick Warne & Co Ltd. London. 1900.