Answer:
Cabeza de Vaca
Explanation:
Cabeza de Vaca's journal provides a lot of information about early Texas Indians because Cabeza de Vaca was the first who reach Texas and having good relations with the native people of the Texas and know a lot about them. Cabeza de Vaca was a spanish explorer who explore the Texas in 1542. He and his three fellows were the first European who explore American Southwest.
