Part of the series of biographies of Karl Marx.
Karl Dannenburg was a member of the Socialist Labor Party but had joined the Socialist Party of America by 1919.
![Karl Marx: The Man and his Work (1918) Karl Marx: The Man and his Work (1918)](https://files.libcom.org/files/styles/small_wide/public/images/library/Karl%20Marx%20The%20Man%20and%20His%20Work%20Karl%20Dannenberg.jpg?itok=xqKbV67M)
Karl Marx: The Man and his Work (1918)
Part of the series of biographies of Karl Marx.
Karl Dannenburg was a member of the Socialist Labor Party but had joined the Socialist Party of America by 1919.
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