CPAA holdings:  January 3, 1907-December 27, 1942


Period of publication: May 1(?), 1896-1967

Place of publication: New York, NY, 1896-1900, 1911-1921,
1938-1967; Chicago, IL, 1900-1907, 1921-1926; Brooklyn, NY,
1908-1910; Detroit, MI, 1927-1937

Frequency: weekly, 1896-1960(?), monthly, 1961(?)-1967

Title change: Robotnik, 1896-May 1, 1908

Publisher: Polish Socialist Alliance

Editors: Jozef A. Borkowski, 1896-1903; Bronislaw Slawinski,
1904; Jan Kozakiewicz, 1905-1906, 1909-1910(?); I.
Osotowicz, 1916-1917; R. Mazurkiewicz, 1918-1919; M.
Sokolowski, 1922; Adam Olszewski, 1923-1930; S. Kominski,
1931-1937, 1943-1946; Jan Trzaska, 1947-1958; Otto Pehr,
1959-1963; Chester Nagel, 1964-1967