Source National Portrait Gallery
Source Public Domain (Wikimedia)
Source National Portrait Gallery
Source National Portrait Gallery
Source National Portrait Gallery London
Source Illustrated London News Ltd/Mary Evans Picture Library
Source E.J. Pratt Library
Source National Portrait Gallery
Source The University Of Delaware
Source Beinecke Rare Book & Manuscript Library, Yale University
Source University of North Texas [Wikimedia Commons]
Source National Portait Gallery, London
Source National Portait Gallery, London