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
Jehovah consonants (such as the "Y" in "YHWH"). The earliest available Latin text to use a vocalization similar to "Jehovah" dates from the 13th century. The "Brown-Driver-Briggs Lexicon" suggested that the pronunciation "Jehovah" was unknown until 1520 when it was introduced by Galatinus, who defended its use. In English it appeared in William Tyndale's translation of the Pentateuch ("The Five Books of Moses") published in 1530 in Germany, where Tyndale had studied since 1524, possibly in one or more of the universities at Wittenberg, Worms and Marburg, where Hebrew was taught. The spelling used by Tyndale was "Iehouah"; at that time,