Leading-tone triad and secondary leading-tone triad in Chorale Gotte der Vater, wohn' uns bei

Example of leading-tone triad (viio) and secondary leading-tone triad in Johann Sebastian Bach's Chorale: Gott der Vater wohn' uns bei (BWV 317). Identified by Forte (1979) ISBN 0-03-020756-8 as BWV 748, which is currently attributed to Johann Gottfried Walther.