In her account of tenth-century Kyoto court life, The Pillow Book, Sei Shōnagon was fond of making lists. “Things later regretted: an adopted child who turns out to have an ugly face”; “Things it’s frustrating and embarrassing to witness: someone insists on telling you about some horrid little child, carried away with her own infatuation with the creature, imitating its voice as she gushes about the cute and winning things it says”; “Moving things: a child dressed in mourning for a parent.”

Among the anecdotes, descriptions, and stray ideas in F. Scott Fitzgerald’s Note-Books, a collection modeled on Samuel Butler’s famous version of the same name, are the entries: “story of the ugly aunt in the album,” “sent a girl flowers on Mother’s Day,” “reversion to childhood typical of the only child.”

While aboard a ship on which a fire broke out, Ivan Turgenev as a boy in 1838 is purported to have shouted in alarm, “Save me, save me, I am my mother’s only son.”

President Abraham Lincoln on November 21, 1864, sent a letter to Mrs. Bixby, who, the War Department informed him, had lost five sons fighting for the Union. “I pray that our Heavenly Father may assuage the anguish of your bereavement, and leave you only the cherished memory of the loved and lost, and the solemn pride that must be yours to have laid so costly a sacrifice upon the altar of freedom.” In fact, two of Mrs. Bixby’s sons were killed in action, a third either deserted or died while a prisoner of war, a fourth was honorably discharged, and the fifth deserted.