| 2391 | SAL2.1 | Johannes Sarisberiensis | Policraticus | da |
| 2392 | DAM1.3 | Johannes von Damaskus | Genaue Darlegung des Orthodoxen Glaubens | da |
| 2393 | IOH1.1 | Johannis de Nova Domo | Tractatus de esse et essentia | da |
| 2394 | BUR4.4 | John Buridan | John Buridan: Sophisms on meaning and truth | da |
| 2395 | SCO1.11 | John Duns Scotus | On being and cognition: Ordinatio 1.3 | da |
| 2396 | OAK1.1 | John H. Oakley andd Rebecca H. Sinos | The Wedding in Ancient Athens | nu |
| 2397 | SAL2.5 | John of Salisbury | Policraticus. The Stateman's Book | da |
| 2398 | WYC1.1 | John Wycliff | On Universals | da |
| 2399 | WYC1.2 | John Wycliff, Ivan J. Mueller (ed.) | Tractatus de universalibus | da |
| 2400 | JOL1.8 | Jolivet, Jean | Abelard ou la philosophie dans le langage | da |
