Napoleon Sarony, Henry Ward Beecher, c. 1875, Albumen silver print; Image/Sheet: 13.9 x 10 cm (5 1/2 x 3 15/16"); Mount: 16.5 x 10.8 cm (6 1/2 x 4 1/4"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399814011-0

Patent Office Vestibule, c. 1870, Stereoscopic albumen silver print; Image/Sheet (each): 7.7 × 7.4 cm (3 1/16 × 2 15/16"); Mount: 8.7 × 17.6 cm (3 7/16 × 6 15/16"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399805773-1

Patent Office, Washington, D.C., c. 1870, Albumen silver print; Image: 9.6 × 14.4 cm (3 3/4 × 5 11/16"); Sheet: 10 × 14.8 cm (3 15/16 × 5 13/16"); Mat: 10.7 × 16.4 cm (4 3/16 × 6 7/16"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399805852-0

Carleton E. Watkins, Half Dome, Yosemite, California, c. 1870, printed c. 1875, albumen silver print; sheet and image: 8 x 12 in. (20.3 x 30.5 cm.), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381061312-1

J. F. Coonley, Coonley family, c. 1870, Albumen silver print; Image: 8.5 x 5.1 cm (3 3/8 x 2"); Sheet: 9.6 x 6 cm (3 3/4 x 2 3/8"); Mount: 10.5 x 6.3 cm (4 1/8 x 2 1/2"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399813211-0

Mathew B. Brady, Jacob D. Cox, c. 1870, Albumen silver print; Image: 20.8 x 15.7cm (8 3/16 x 6 3/16"); Sheet: 20.8 x 15.7cm (8 3/16 x 6 3/16"); Mount: 30.4 x 25.3cm (11 15/16 x 9 15/16"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399809659-0

T. W. Smillie, Washington City and Vicinity, after 1870, Stereoscopic albumen silver print; Image/Sheet (each): 7.9 × 7.7 cm (3 1/8 × 3 1/16"); Mount: 8.8 × 17.7 cm (3 7/16 × 6 15/16"), National Portrait Gallery, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399756728-1643399805794-1

Timothy H. O'Sullivan, Cañon de Chelle. Walls of the Grand Cañon about 1200 Feet in Height., 1873, albumen silver print; 8 x 10 7/8 in. (20.3 x 27.6 cm.), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381061227-0

Carleton E. Watkins, Witches Rock, near Echo City, Utah, 1873, albumen silver print; sheet and image: 21 3/8 x 16 3/8 in. (54.3 x 41.6 cm.), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381061047-1

William Bell, Perched Rock, Rocker Creek, Arizona, 1872, albumen silver print; sheet and image: 10 3/4 x 8 in. (27.3 x 20.3 cm.), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381061081-0