2. For the text of the letters, as they were published in the Hamburgische unparteyische Correspondent, Nro. 57 for the year 1774, “Hamburg, den 8 April,” see Carl Philipp Emanuel Bach im Spiegel seiner Zeit: Die Dokumentensammlung Johann Jacob Heinrich Westphals, ed. with commentary by Ernst Suchalla (Hildesheim, Zurich, New York: Georg Olms, 1993), 51.