..., for I took Dr. Flugel, who alone is responsible to us, on the advice of Dr. Pertz, the admirable head of the great library here in Berlin . . . . On Mr. Bates's account I have myself bought, in Brussels and Berlin, a little short of two thousand volumes, and I enclose you a list of them, which I have roughly copied from the bills. . . . . I have, however, bought none but by the advice and in the pre...