⸺ Eleventh Census. Washington, 1892-1897.
⸺ Treasury Department. Arrivals of Alien Passengers and Immigrants in the United States from 1820 to 1890. Washington, 1893.
Walker, Francis A. The Wages Question. New York, 1886.
Watson, Elkanah. Men and Times of the Revolution. New York, 1857.
Watson, John F. Annals of Philadelphia. Philadelphia, 1830.
Weber, A. Les Usages locaux. Orleans, 1882.
Whitmore, William H. The Colonial Laws of Massachusetts. Reprinted from the edition of 1672 with the Supplements through 1686. Boston, 1890.
Winsor, Justin. Narrative and Critical History of America. 8 vols. Boston, 1889.
Winthrop, John. The History of New England. 2 vols. Boston, 1853.
Zesser, W. Das Reichsgesetz über die Invaliditäts- und Altersversicherung. Munich, 1891.