Gardner's Photographic Sketchbook of the War, Volume 1
1863 · Albumen silver prints from glass negatives
Image: approx. 7 × 9 in. (17.8 × 22.8 cm), each
Sheet: 12 1/4 × 15 5/8 in. (31.1 × 39.7 cm)
12 3/4 × 17 3/8 × 2 in. (32.4 × 44.1 × 5.1 cm)
The Metropolitan Museum of Art