Classen, A. . (2023) “The Problematic Nature of Periodization and the Alleged Paradigm Shifts: Courtly Love Poetry (Minnesang), Petrarch’s Sonnets, Goethe’s Erotic Compositions, and Brecht’s Dreams of Love”, Global Journal of Cultural Studies, 2, pp. 1–15. doi: 10.6000/2817-2310.2023.02.01.