Grant and Twain : the story of a friendship that changed America /

Grant, Ulysses S. > (Ulysses Simpson), > 1822-1885 > Friends and associates.

Grant, Ulysses S. > (Ulysses Simpson), > 1822-1885 > Literary art.

Twain, Mark, > 1835-1910 > Friends and associates.

Twain, Mark, > 1835-1910 > Literary art.

Presidents > United States > Biography.

Authors, American > 19th century > Biography.

Friendship > United States > Case studies.

United States > Race relations.

Race relations in literature.