(Direct links to go to complete scans of the books)
Aikens, Andrew J., and Lewis A. Proctor. Men of Progress, Wisconsin. Milwaukee, WI: The Evening Wisconsin Company, 1897.
Biographical Dictionary and Portrait Gallery of Representative Men of Chicago, Milwaukee and the World's Columbian Exposition. Chicago: American Biographical Publishing Compnay, 1892.
Bruce, William George. Builders of Milwaukee. Milwaukee, WI: Bruce Publishing Company, 1946.
Bruce, William George. History of Milwaukee City and County. Chicago: S.J. Clarke Publishing, 1922. Vol. I, Vol. II, Vol. III.
Buck, James S. Pioneer History of Milwaukee. Milwaukee, WI: Swain & Tate, 1890. Vol. I (1833-1841), Vol. II (1840-1846), Vol. III (Under the Charter, 1847-1853).
Conard, Howard Louis. History of Milwaukee County : From Its First Settlement to the Year 1895. Chicago: American Biographical Publishing, 1895.
Crow, William L. Wisconsin Lives of National Interest. Appleton, WI: C.C. Nelson, 1937.
Flower, Frank A. History of Milwaukee, Wisconsin: From Prehistoric Times to the Present Date. Chicago: Western Historical Company, 1881.
Frank, Louis, F. German-American Pioneers in Wisconsin & Michigan: The Frank-Kerler Letters 1849-1864. Milwaukee, WI: Milwaukee County Historical Society, . (Searchable, but no full-text access)
Gregory, John G. Southeastern Wisconsin: a History of Old Milwaukee County. Chicago: S.J. Clarke, 1932. Volumes III & IV.
Koss, Rudolph A. Milwaukee. Milwaukee, WI: Schnellpressendruck des “Herold,” 1871. (German only)
Men of Milwaukee : A Biographical and Photographic Record of Business and Professional Men of Milwaukee. Milwaukee, WI: Associated Compilers, 1930.
Reed, Parker McCobb. The Bench and Bar of Wisconsin. Milwaukee, WI: P.M. Reed, 1882.
State Historical Society of Wisconsin. Dictionary of Wisconsin Biography. Madison, WI: State Historical Society of Wisconsin, 1960. (Updated online version)
State Historical Society of Wisconsin. Wisconsin Necrology. Madison, WI: State Historical Society of Wisconsin, 1968. (MPL Central microforms)
Still, Bayrd. Milwaukee; the History of a City. Madison: State Historical Society of Wisconsin, 1948.
Swichkow, Louis J. History of the Jews of Milwaukee. Philadelphia: The Jewish Publication Society of America, 1963.
Watrous, Jerome A. Memoirs of Milwaukee County. Madison, WI: Western Historical Association, 1909. Vol. I. & Vol. II.
Wheeler, Andrew Carpenter. The Chronicles of Milwaukee. Milwaukee, WI : Jermain & Brightman, 1861.