Wayne Whipple, The Story of Young Abraham Lincoln
“ There was no more sturdy little patriot in the whole country than Lieutenant Tad Lincoln, "the child of the nation," nor had the President of the United States a more devoted admirer and follower than his own small son. A word from his father would melt the lad to tears and submission, or bring him out of a nervous tantrum with his small round face wreathed with smiles, and a chuckling in his throat of "Papa-day, my papa-day!" ”
