|In more recent works he has taken the approach of a cultural historian, most notably in Sites of Memory, Sites of Mourning 1995 where he advocates a more transnational focus for studying the war and European culture||He has also co-authored and co-edited books on the First World War, including a survey of the war's historiography, The Great War in History: Debates and Controversies, 1914 to the Present with Antoine Prost, 2006 and The Great War and the Twentieth Century with Geoffrey Parker and Mary Habeck, 2000|
|Remembering War: The Great War between History and Memory in the 20th Century 2006• Nicholls, Mark 2004 , "Percy, Henry, ninth earl of Northumberland 1564—1632 ", Oxford Dictionary of National Biography online ed||Socialism and the Challenge of War: Ideas and Politics in Britain, 1912-18 1974• Griffiths, Jane 2004 , "Wenman , Agnes, Lady Wenman d|
War and Remembrance in the Twentieth Century 1999• He is co-director of the project on Capital Cities at War: Paris, London, Berlin 1914-1919, which has produced two volumes.19
|Nicholls, Mark 2004 , "Rookwood, Ambrose c||He obtained his at and his at|
|War Beyond Words: Languages of Remembrance from the Great War to the Present Cambridge University Press, 2017• His other interests include remembrance of war in the 20th century, such as memorial and mourning sites, European , the causes and institutions of war, British popular culture in the era of the First World War and the of 1915||Winter is also affiliated with the in , , a research center and museum of the First World War in European cultural history|
1578—1606 ", Oxford Dictionary of National Biography, Oxford University Press, doi:10.