She not only read, but thoroughly understood, and entered into the merits of every book that came out; while it is merely necessary to refer to her printed works, to calculate the amount of information which she had gathered from preceding authors. The history and literature of all ages and all countries were familiar to her; nor did she acquire any portion of her knowledge in a superficial manner; the extent of her learning, and the depth of her research, manifesting themselves in publications which do not bear her name; her claim to them being only known to friends, who, like myself, had access to her desk, and with whom she knew the secret might be safely trusted.