| 2501 | Carte | IOH2.1 | Johannes Oxites | Ioannis Oxeitae Oratio de monasteriis laicis non tradendis | da |
| 2502 | Carte | SAL2.4 | Johannes Saresberiensis | Policraticus, I-IV | da |
| 2503 | Carte | SAL2.1 | Johannes Sarisberiensis | Policraticus | da |
| 2504 | Carte | DAM1.3 | Johannes von Damaskus | Genaue Darlegung des Orthodoxen Glaubens | da |
| 2505 | Carte | IOH1.1 | Johannis de Nova Domo | Tractatus de esse et essentia | da |
| 2506 | Carte | BUR4.4 | John Buridan | John Buridan: Sophisms on meaning and truth | da |
| 2507 | Carte | SCO1.11 | John Duns Scotus | On being and cognition: Ordinatio 1.3 | nu |
| 2508 | Carte | OAK1.1 | John H. Oakley andd Rebecca H. Sinos | The Wedding in Ancient Athens | nu |
| 2509 | Carte | SAL2.5 | John of Salisbury | Policraticus. The Stateman's Book | da |
| 2510 | Carte | WYC1.1 | John Wycliff | On Universals | da |
