Wolfram Data Repository
Immediate Computable Access to Curated Contributed Data
Plaintext for Thomas Hobbes's "Leviathan"
Plaintext for Sir Thomas More's "Utopia"
Plaintext for Friedrich Nietzsche's "The Birth of Tragedy Out of the Spirit of Music"
On the Nature of Things, by Lucretius
Plaintext for Adam Smith's "The Wealth of Nations"