History of Jehovah's Witnesses book, "Three Worlds and the Harvest of This World", was published in early 1877. It articulated ideas that remained the teachings of Russell's associates for the next 40 years, many of which are still embraced by Jehovah's Witnesses: it identified a 2520-year-long era called "the Gentile Times", which would end in 1914, and broke from Adventist teachings by advancing Russell's concept of "restitution" — that all humankind since Adam would be resurrected to the earth and given the opportunity for eternal perfect human life. Russell claimed it was the first book to combine biblical end-time prophecies with the concept of
New World Translation of the Holy Scriptures released online starting with the books of the New Testament, based on the 2013 revision with additional reference material.. In its review of Bible translations released from 1955 to 1985, "The HarperCollins Bible Dictionary" listed the "New World Translation" as one of the major modern translations. The "New Catholic Encyclopedia" says of the "New World Translation" reference edition: "[Jehovah's Witnesses]' translation of the Bible [has] an impressive critical apparatus. The work is excellent except when scientific knowledge comes into conflict with the accepted doctrines of the movement." It criticizes the NWT's rendering of "Kyrios" as "Jehovah" in 237 instances in