 In the 19th century and for much of the 20th, it was believed that Chronicles and Ezra–Nehemiah came from the same author or circle of authors (similar to the traditional view which held Ezra to be the author of all three), but the usual view among modern scholars is that the differences between Chronicles and Ezra–Nehemiah are greater than the similarities, and that Ezra–Nehemiah itself had a long history of composition from many sources, stretching from the early 4th century down to the Hellenistic period.The accepted view throughout the 19th century and for much of the 20th was that Chronicles and Ezra–Nehemiah made up a single "Chronicler's History" by an anonymous "Chronicler".This consensus was challenged in the late 1960s in an important article by Sara Japhet, and today three positions dominate discussion