The term 'Burden for Black Beauty' is a reference to the novel of the same name by Anna Sewell. The novel follows the life of a horse named Black Beauty and his various owners. The crossword solution for this term is 'HANSOM, ' which is a type of horse-drawn carriage. The HANSOM was popular in the 19th century and was often used for public transportation. It was also used by the wealthy to travel in style.