| Series | Extent | Year | Author | Title |
| GL 5 | — | 2014 | Charlotte Lee | The Very Late Goethe |
| GL 7 | — | 2015 | Regina Sachers | Goethe's Poetry and the Philosophy of Nature |
| GL 18 | — | 2019 | Charles Lewis | The Law of Poetry |
| GL 22 | — | 2020 | Franz R. Kempf | Poetry, Painting, Park |
| GL 26 | — | 2022 | Joanna Raisbeck | Karoline von Günderrode |