King Charles III mourns Maggie Smith after legendary British actress dies at 89 USA TODAYDame Maggie Smith: King and prime minister lead tributes to ‘national treasure’ BBC.comMaggie Smith found a clarity on stage that in some ways surpassed her screen work The GuardianMaggie Smith, Iconic Harry Potter and Downton Abbey Star and Two-Time Oscar Winner, Dies at 89 PEOPLEOn ‘Downton Abbey,’ Maggie Smith Made an Icy Aristocrat Irresistible The New York Times