• 3 Music Library (Mills)
• 3 Wisconsin Historical Society Archives
• 1 WHS State Archives Preservation Facility
• 1 Wisconsin Historical Society Library

• 3 Mixed Materials
• 1 Microforms

• 3 Compact Discs
• 1 Cassette Tapes

• 2 Music
• 1 Addams, Jane, 1860-1935
• 1 Ameringer, Oscar, 1870-1943
• 1 Benson, Allan L. (Allan Louis), 1871-1940
• 1 Brisbane, Arthur, 1864-1936
• 1 Civil rights
• 1 Conference for Progressive Political Action
• 1 Darrow, Clarence, 1857-1938
• 1 Debs, Eugene V. (Eugene Victor), 1855-1926
• 1 Debs, Theodore, 1864-1945
• 1 Description and travel
• 1 Eastman, Max, 1883-1969
• 1 Elections
• 1 Engdahl, J. Louis (John Louis), 1884-1932
• 1 Evjue, William Theodore, 1882-1970
• 1 Feminism
• 1 Gale, Zona, 1874-1938
• 1 German Americans
• 1 Germer, Adolph
• 1 Goldman, Emma, 1869-1940
• 1 Gompers, Samuel, 1850-1924
• 1 Hapgood, Norman, 1868-1937
• 1 Hillquit, Morris, 1869-1933
• 1 History
• 1 Hoan, Daniel W. (Daniel Webster), 1881-1961

• 3 Wisconsin Music Archives
• 3 Yid Vicious (Musical group)
• 1 Berger, Meta, 1873-1944
• 1 Berger, Victor L., 1860-1929
• 1 Edelman, Elsa Berger, 1900-1984
• 1 Horwitz family
• 1 Horwitz, Hayim, 1915-
• 1 Horwitz, Isadore S., 1889-1959
• 1 Horwitz, Mae, 1890-1958
• 1 Horwitz, Rita, 1923-
• 1 Hursley, Doris Berger, 1898-1984
• 1 Liebermann, Jacob
• 1 Purnell, Anna

• 3 English
• 1 German
• 1 Hebrew
• 1 Polish

• 2 Madison
• 2 Milwaukee
• 1 Milwaukee (Wis.)
• 1 Philippines
• 1 Soviet Union
• 1 URSS
• 1 United States
• 1 États-Unis

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