London Stereoscopic & Photographic Company. Portrait of Edward Robert Bulwer-Lytton, 1st Earl of Lytton. Woodburytype. 1881. NPG Ax27795
© National Portrait Gallery, London. https://www.npg.org.uk/collections/search/portrait/mw157367/Edward-Robert-Bulwer-Lytton-1st-Earl-of-Lytton.