Sidney K. Greenslade (1867–1955), born in Exeter, was the first architect of the National Library of Wales, located in Aberystwyth.
Sidney Poitier | Sidney Lumet | Sidney Nolan | Sidney Bechet | Philip Sidney | Sidney Crosby | Albert Sidney Johnston | Sidney Herbert, 1st Baron Herbert of Lea | Sidney | Dave Greenslade | Sylvia Sidney | Sidney Reilly | Sidney Altman | Sidney Paget | Sidney Howard | Sidney Colvin | Henry Sidney | Greenslade | 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 |