| Hill & Adamson James Gordon, William Hanna D.D. and ‘Mr. Cowan’ 1843-1847 Calotype negative 15.9 × 11.6 cm (image/paper); 29 × 39.2 cm (mount) Art Institute of Chicago Edward E. Ayer Endowment in memory of Charles L. Hutchinson, Reference Number: 1972.332 LL/114560 William Henry Fox Talbot (Formerly attributed to); English, 1800 –1877
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