| 266 | X-keu1.1 | Keussen, Hermann | Die matrikel der Universitat Koln. 1389 bis 1559; erster band 1389-1466, erste halfte | da |
| 267 | X-keu1.2 | Keussen, Hermann | Ungedruchte Quellen zur Geschichte der Universitat Koln aus der Zeit des großen Schismas und der Reformkonzilien 1395-1448 | da |
| 268 | x-kin1.1 | Kinney, Laurence F. | Hypothesis and Dialectic | da |
| 269 | x-kin2.1 | McKinney, Ronald H. | The Origins of Modern DIalectics | da |
| 270 | x-kin3.1 | King, Hugh R. | Aristotle and the Paradoxes of Zeno | da |
| 271 | x-kir1.1 | Kirk, G.S. | Sense and Common-Sense in the Development of Greek Philosphy | da |
| 272 | x-kir2.1 | Kirwan, Christopher | Aristotle and the So-called Fallacy of Equivocation | da |
| 273 | X-kli1.1 | Klibansky, Raymond | The Platonic tradition | da |
| 274 | X-kli1.2 | Klibansky, Raymond | Plato's Parmenides in the Middle Ages and the Renaissance | da |
| 275 | X-kli2.1 | Klima, Gyula | Ancilla theologiae vs. domina philosophorum. Thomas Aquinas, Latin Averroism and the Autonomy of Philosophy | da |
