Three Union Soldiers of the 4th Michigan Volunteer Infantry Regiment Posing in Front of a Tent During the Civil War

Three Union soldiers of the 4th Michigan Volunteer Infantry Regiment posing in front of a tent in an unidentified camp during the Civil War. The soldier in the middle is feeding a squirrel. Attributed to Mathew Brady. Animated stereoscopic photographs.

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View of a Crowd Watching Union Soldiers of the 4th Michigan Volunteer Infantry Regiment Parading Along Maumee Street in Adrian, Michigan, During the Civil War

View of a crowd watching Union soldiers of the 4th Michigan Volunteer Infantry Regiment parading along Maumee Street in Adrian, Michigan, during the Civil War.

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Portrait of Union Lieutenant G.W. Brainard of the 7th Regiment New York State Militia Posing With His Sword During the Civil War

Portrait of Union Lieutenant G.W. Brainard of the 7th Regiment New York State Militia posing with his sword in an unidentified camp during the Civil War. Attributed to Mathew Brady.

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Daguerreotype Portrait of an Unidentified Militia Officer (1848)

Daguerreotype portrait of an unidentified militia officer, c. 1848. By Marcus Aurelius Root.

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Hand-Colored Daguerreotype Portrait of King Mongkut of Thailand Holding One of His Daughters (1861)

Hand-colored daguerreotype portrait of King Mongkut of Thailand holding one of his daughters, c. 1861.

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Union Soldiers From Company I of the 7th Wisconsin Volunteer Infantry Regiment During the Civil War in Fredericksburg, Virginia

Union soldiers from Company I of the 7th Wisconsin Volunteer Infantry Regiment during the Civil War in Fredericksburg, Virginia.

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Union Surgeons Seymour Churchill and William A. Madell of the 23rd New York Volunteer Infantry Regiment Posing in Front of a Tent During the Civil War

Union surgeons Seymour Churchill and William A. Madell of the 23rd New York Volunteer Infantry Regiment posing in front of a tent in an unidentified camp during the Civil War. Attributed to Mathew Brady. Animated stereoscopic photographs.

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Three Union Soldiers Gathered Around a Campfire During the Civil War

"Photograph of a Picket on Duty." Three Union soldiers gathered around a campfire during the Civil War. Attributed to Mathew Brady. Animated stereoscopic photographs.

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Union Soldiers of the 23rd New York Volunteer Infantry Regiment During the Civil War

Union soldiers of the 23rd New York Volunteer Infantry Regiment posing in front of tents in an unidentified camp during the Civil War. Attributed to Mathew Brady. Animated stereoscopic photographs.

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Union Soldiers of the 22nd Regiment New York State Militia Drilling in Square Formation Near Harpers Ferry on Maryland Heights, Maryland (1862)

Union soldiers of the 22nd Regiment New York State Militia drilling in square formation near Harpers Ferry, on Maryland Heights, Maryland, c. 1862.

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