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Summary
DescriptionLudwig E. Katterfeld (1909).jpg
English: Ludwig Katterfeld, 1909
Founding member and top leader of the Communist Labor Party of America in 1919
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Ludwig Katterfeld, 1909 Founding member and top leader of the Communist Labor Party of America in 1919 Via Marxists Internet Archive (www.marxists.org) Creative Commons Attribution Share-Alike license
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