In the context of 'One may well wonder what Miss Stowe had in mind when, in Uncle Tom's Cabin (Chapter 5), she narrates how  Mrs.', does 'Miss Stowe never spoke a word in Uncle Tom's Cabin.' stand alone without direct association?
One may well wonder what Miss Stowe had in mind when, in Uncle Tom's Cabin (Chapter 5), she narrates how  Mrs.###Miss Stowe never spoke a word in Uncle Tom's Cabin.