Possible Clues:

• Gee! Barnaby might have a grievance from Dickens
• 'Barnaby - - ' by Charles Dickens
• Dickens' "Barnaby ---"
• Dickensian halfwit's good in humble surroundings
• Chateaubriand romance set in America, out of dire necessity
• Dickensian character — good, though outwardly ill-mannered
• There's little good in bad-mannered Dickensian character
• Ill-feeling not good for a Dickensian
• Dickens character who kept his grip
• Barnaby --, Dickens character whose companion is a raven