
Bartolomé de las Casas, OP ; 11 November 1484 – 18 July 1566) was a Spanish lawyer, clergyman, writer, and activist best known for his work as a historian and social reformer. He arrived in Hispaniola as a layman, then became a Dominican friar. He was appointed as the first resident Bishop of Chiapas, and the first officially appointed "Protector of the Indians". His extensive writings, the most famous being A Short Account of the Destruction of the Indies and Historia de Las Indias, chronicle the first decades of colonization of the Caribbean islands. He described and railed against the atrocities committed by the conquistadores against the Indigenous peoples.— Wikipedia
Works

Brevísima relación de la destrucción de las Indias
A Short Account of the Destruction of the Indies

Diario de la primera navegación y descubrimiento de las Indias
Christopher Columbus's journal
medieval europe
renaissance