Public domain
Portrait of Maj. Gen. Edward R. S. Canby, officer of the Federal Army
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit linePortrait of Maj. Gen. Edward R. S. Canby, officer of the Federal Army. 1860. Lilienthal, Theo. (Theodore). Civil War Glass Negatives, Library of Congress. Public domain.