 Forster 2010 (chs. 1, 3, and 5), 2011a (ch. 6), 2016, 2018 (ch. 6); Gjesdal 2017; Guyer 2007; Irmscher 1987; Mayo 1969; Norton 1991 (helpful both on aspects of Herder’s aesthetic theory and on his general relation to the Enlightenment); Wiora 1953; Zuckert 2019.