As his duties at Lambeth made no great demands on his time, he was now able to devote himself more steadily to historical work. His first impulse in that direction seems, as I have said, to have been received from Dean Stanley at Oxford. His next came from E. A. Freeman, who had been impressed by an ingenious paper of his at a meeting of the Somerset Archaeological Society, and who became from that time his steadfast friend. Green was a born historian, who would have been eminent without any help except that of books. But he was wise enough to know the value of personal counsel and direction, and generous enough to be heartily grateful for what he received. He did not belong in any special sense to what has been called Freeman's school, differing widely from that distinguished writer in many of his views, and still more in style and manner. But he learnt much from Freeman, and he delighted to acknowledge his debt. He learnt among other things the value of accuracy, the way to handle original authorities, the interpretation of architecture, and he received, during many years of intimate intercourse, the constant sympathy and encouragement of a friend whose affection was never blind to faults, while his admiration was never clouded by jealousy. It was his good fortune to win the regard and receive the advice of another illustrious historian, Dr. Stubbs, who has expressed in language perhaps more measured, but not less emphatic than Freeman's, his sense of Green's services to English history. These two he used to call his masters; but no one who has read him and them needs to be told that his was one of those strong and rich intelligences which, in becoming more perfect by the study of others, loses nothing of its originality.