A harmony of the Gospels puts all parallel passages in the Gospels side-by-side, in chronological order. It's tremendously useful when analyzing/searching for anything in the Gospels.
This harmony is based on A.T. Robertson's, but instead of the RV, this uses the King James Version:
I would also like to mention this article on the discrepancies between various passages in the Gospel accounts, because it's relevant here.
Example from the Harmony:
