Sentence:  ...and how good Mrs. West could have written such books and collected so many hard words, with all her family cares, is still more a matter of astonishment. <WSD>Composition</WSD> seems to me impossible with a head full of joints of mutton and doses of rhubarb. 
Meaning of the word marked with <WSD> tags:  A work of music, literature or art. (from 17th c.)