nearly so extensive a field as that of his predecessors.”2 Since Zechariah is a prophet of the restoration, much that was future to the pre-exilic prophets is now history for him. Prophecies of future glory cannot be explained as the return from Babylon, for that has already been accomplished. The restriction of the sphere of the vision serves to diminish the chance for error. As for the parallel passages, many have pointed out the evident allusions in the book to the prophecies in Isaiah, Jeremiah,