Essays, entitled critical, are epistles addressed to the public, through which the mind of the recluse relieves itself of its impressions. Margaret Fuller
Besides the whole Bible, there were numerous German editions of the Gospels and Epistles (Plenaria), and the Psalter, all made from the Vulgate. Philip Schaff
And henceforward the Popes being temporal Princes, left off in their Epistles and Bulls to note the years of the Greek Emperors. Isaac Newton
The Epistles in the New Testament have all of them a particular reference to the condition and usages of the Christian world at the time they were written. Joseph Butler
Approximately sixty epistles survive, which are partly collected with the answers of those to whom they were written; doubtless this is only a fraction of his actual extent of writing. Source: Internet
Additionally Didymus the blind wrote a commentary on all three epistles, showing that by the early 5th century they were being considered as a single unit. Source: Internet