The Nuttall Encyclopedia
A Jewish rabbi, the instructor of St. Paul in the knowledge of the law, and distinguished for his tolerant spirit and forbearance in dealing with the Apostles in their seeming departure from the Jewish faith.
Wood, James, ed. Entry for 'Gamaliel'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/g/gamaliel.html. Frederick Warne & Co Ltd. London. 1900.