| Unidentified artist Portraits of Horace Sewell, John Duff, Ruth Sewell, William G. Sewell, Gertrude Bonner, Prince Albert and Twenty Unidentified Sitters 1885 (ca) Albumen silver prints, on mount 27.2 x 22.3 cm National Gallery of Canada / Musée des beaux-arts du Canada LL/84325
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