| ref | joined_books |
|---|---|
| Euripides, Pirithous, 3 | Ker and Wessels (2020), The Values of Nighttime in Classical Antiquity: Between Dusk and Dawn, 59 |
| Euripides, Pirithous, 4 | Ker and Wessels (2020), The Values of Nighttime in Classical Antiquity: Between Dusk and Dawn, 59 |