Possible Clues:

• Franz ---, Trial, Castle author
• Franz ---, Czech author
• Novelist's parrot swallowing folio
• One who wrote of Flaubert's head being inspired by parrot
• ''The Trial'' author Franz
• Franz -, Austrian novelist (The Trial)
• Author of 'The Trial' (1925)
• Franz -, Czech novelist (The Castle)
• "Amerika" author
• 'The Castle' writer