| ref | joined_books |
|---|---|
| Papyri, P.Rain.Cent., 3 | Renberg (2017), Where Dreams May Come: Incubation Sanctuaries in the Greco-Roman World, 596, 597 |
| Papyri, P.Rain.Cent., 166 | Tacoma (2020), Cicero and Roman Education: The Reception of the Speeches and Ancient Scholarship, 243 |