August Sander (1996). “August Sander: "In photography there are no unexplained shadows!" : an exhibition organised by the August Sander Archive, Kulturstiftung Stadtsparkasse, Cologne, and shown at the National Portrait Gallery, London”, Natl Portrait Gallery Pubns
James Boswell, Samuel Johnson, Edmond Malone (1824). “The life of Samuel Johnson, LL. D., comprehending an account of his studies, and numerous works, in chronological order: a series of his epistolary correspondence and conversations with many eminent persons; and various original pieces of his composition, never before published; the whole exhibiting a view of literature and literary men in Great Britain, for near half a century during which he flourished”, p.306