| William B. Dyer Powers Hapgood 1907 (ca) Platinum print image: 19.7 x 15.1 cm (7 3/4 x 5 15/16 ins) mount: 31.6 x 25.7 cm (12 7/16 x 10 1/8 ins) Princeton University Art Museum The William B. Dyer Collection, gift of Harriet Dyer Adams, Object Number: x1990-193 LL/44646
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