Encyclopedia of period British era – Downton Abbey – ficklesorts
The Books of Downton Abbey, The New Antiquarian
The Literary Pedigree of Downton Abbey - The Millions
Being Lord Grantham: Aristocratic Brand Heritage and the Cunard Transatlantic Crossing
Downton Abbey' and the History of Difficult Royal Visits - The New York Times
Downton Abbey: A New Era - The Official Film Companion by Emma Marriott
Do people in England still act the way they do in Downton Abbey? That is to say proper and extremely well-mannered? - Quora
The Books of Downton Abbey, The New Antiquarian
The Literary Pedigree of Downton Abbey - The Millions
Edwardian Sensibilities In Downton Abbey
That Sex Book at Downton Abbey
Full article: Downton Abbey
The Gilded Age - How the US period drama differs from British counterpart Downton Abbey - Mirror Online
case of treasures Pride and prejudice, Historical fashion, Fashion
Downton Abbey destinations for fans of British period drama