From top to bottom:
Edouard Manet. Execution of the Emperor Maximilian. 1867. Oil on canvas, 6' 5 1/8" x 8' 6 1/4"
(195.9 x 259.7 cm). Museum of Fine Arts, Boston. Gift of Mr. and Mrs. Frank Gair Macomber, 30.444. Courtesy, Museum of Fine Arts, Boston

Edouard Manet. The Execution of Maximilian. 1867–68. Oil on canvas, 6' 4" x 9' 3 13/16"
(193 x 284 cm). The National Gallery, London. Bought, 1918. © The National Gallery, London

Edouard Manet. The Execution of the Emperor Maximilian. 1868–69. Lithograph on chine collé, plate: 13 3/8 x 17 1/4" (34 x 43.8 cm). The Metropolitan Museum of Art, New York. Rogers Fund, 1921 (21.48). © 2002 The Metropolitan Museum of Art, New York

Edouard Manet. The Execution of Maximilian. 1868–69. Oil on canvas, 18 7/8 x 22 13/16"
(48 x 58 cm). Ny Carlsberg Glyptotek, Copenhagen. Photo: Ole Haupt

Edouard Manet. The Execution of Emperor Maximilian. 1868–69. Oil on canvas, 8' 3 3/16 x
9' 10 7/8" (252 x 302 cm). Kunsthalle Mannheim. Photo: Margita Wickenhäuser