Berthold Fernow
Berthold Fernow (28 November 1837 – 3 March 1908) was a German-born American (New York State) historian, author and librarian.

Biography
Berthold Fernow was born in Inowrocław (now part of Poland), Province of Posen, Prussia on 28 November 1837. He was the son of Edward Fernow, a royal councillor, and Bertha de Jachmann, sister of Eduard von Jachmann, a vice admiral in the Prussian service. He was educated at the royal gymnasium of Our Lady at Magdeburg, Saxony, and at a similar institution at Bromberg, Posen, in 1858.

He then emigrated to the United States, served during the American Civil War as lieutenant of the 3rd U. S. colored troops, and subsequently as topographical engineer. For a time, he was one of the state librarians, keeper of the historical records at Albany, New York, and the editor of the 12th, 13th, and 14th volumes of Documents Relating to the Colonial History of New York (Albany, 1877–85), State Archives (vol. i, 1887); and Albany and its Place in the History of the United States (1887). Fernow also contributed to Wilson's History of New York (4 vols., 1892–93), and edited Records of New Amsterdam (7 vols., 1897–98). He wrote many magazine articles on historical subjects.

He died in Togus, Maine on 3 March 1908.

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1837 births
1908 deaths
Prussian emigrants to the United States
American librarians
19th-century American historians
American male non-fiction writers
People from Inowrocław
Union Army officers
People from the Province of Posen
19th-century American male writers