Possible Clues:

• Wild toucans enveloping front covers of books
• A century matters to such versions
• Reports cons cut a settlement
• One wants them all told to show a 9 across
• This for explains a hundred of the nobility
• Record of financial transactions
• The books of a hundred noblemen
• Rates and bills
• This explains why this noble is not English, by the sound of it
• Gives financial reckoning, or explains cause