‘Harry Potter’ stars pay tribute to Maggie Smith: ‘She kept Gryffindors on their toes’ Entertainment Weekly NewsOn ‘Downton Abbey,’ Maggie Smith Made an Icy Aristocrat Irresistible The New York TimesThe Exhilarating Brilliance of Maggie Smith The New YorkerDame Maggie Smith tributes paid by King and Harry Potter co-stars BBC.comRemembering Maggie Smith: A Career In Photos Deadline