Directions: Read the following passage and answer the question that follows.

Mr. Cass's letter is inserted because it arrived too late to find a place in her "Memoirs", and yet more because it bears much on Margaret Ossoli's characteristics as a woman. A few, also of her private letters and papers, not bearing, save, indirectly, on the subject of this volume, are yet inserted in it, as further illustrative of her thought, feeling and action, in life's various relations. It is believed that nothing which exhibits a true woman, especially in her relations to others as friend, sister, daughter, wife, or mother, can fail to interest and be of value to her sex, indeed to all who are interested in human welfare and advancement, since these latter so much depend on the fidelity of woman. Nor will anything pertaining to the education and care of children be deemed irrelevant, especially by mothers, upon whom these duties must always largely devolve.

Which of the following things arrived too late to be a 'Memoir'?