| Frederick DeBourg Richards North side of the White House, Washington D.C. 1860 (ca) Albumen silver print 19.8 x 25.3 cm (7 13/16 x 9 15/16 ins) (overall) George Eastman Museum Gift of the 3M Foundation, ex-collection Louis Walton Sipley, 1983.0310.0001 LL/70022
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