- EbookEncheiridion [Barnes & Noble Digital Library)Epictetus
- EbookEncheiridion (Barnes & Noble Library of Essential Reading)Epictetus
- EbookLetters and Sayings of Epicurus (Barnes & Noble Library of Essential Reading)Epicurus
- EbookTimaeus and Critias (Barnes & Noble Library of Essential Reading)Plato
- EbookConversations with Socrates (Barnes & Noble Library of Essential Reading)Xenophon
- EbookConversations with Socrates (Barnes & Noble Digital Library)Xenophon
- EbookTimaeus and Critias (Barnes & Noble Digital Library)Plato