Sidney Poitier | Sidney Lumet | Sidney Nolan | Sidney Bechet | Philip Sidney | Sidney Crosby | Albert Sidney Johnston | Sidney Herbert, 1st Baron Herbert of Lea | Sidney | Sylvia Sidney | Sidney Reilly | Sidney Altman | Sidney Paget | Sidney Howard | Sidney Colvin | Henry Sidney | Sidney Smith | Sidney Lee | Sidney Godolphin, 1st Earl of Godolphin | Sidney Cotton | Sidney Blumenthal | Donald Sidney-Fryer | William Sidney, 1st Viscount De L'Isle | Sidney Sheldon | Sidney Robertson Cowell | Sidney Rigdon | Sidney Olcott | Sidney, Nebraska | Sidney Lanier High School | Sidney Kingsley |
In response to some criticisms, Doug McAdam, Sidney Tarrow and Charles Tilly proposed the Dynamics of Contention research program, which focuses on identifying mechanisms to explain political opportunities, rather than relying on an abstract structure.