Most, if not all, of the anti-Columbus talk I've seen is from Howard Zinn's "A People's History of the United States". If I recall, that book's source was the

Most, if not all, of the anti-Columbus talk I've seen is from Howard Zinn's "A People's History of the United States". If I recall, that book's source was the writings of a Columbus critic of the time (a monk I think?) Are there any other sources that discuss Columbus and his interactions with native populations?