1455 defter of the Branković lands
The Ottoman cadastral tax census of 1455 in the Branković lands recorded:
Yugoslav and Serbian scholars have researched the defter, concluding that:
Out of all names mentioned in this census, conducted by the Ottomans in 1455, covering areas of most of present-day Kosovo, 95.88% of all names were of Serbian origin, 1.90% of Roman origin, 1.56% of uncertain origin, 0.26% of Albanian origin, 0.25% of Greek origin, etc.