Marx on Mallock or facts vs. fiction. An address delivered in Maennerchor Hall, New York, on Tuesday, January 21, 1908, under the auspices of Section New York, Socialist Labor Party De Leon, Daniel, 'Marx on Mallock or facts vs. fiction. An address delivered in Maennerchor Hall, New York, on Tuesday, January 21, 1908, under the auspices of Section New York, Socialist Labor Party', issued by National Executive Committee Socialist Labor Party (New York City, 1919). Stenographically reported by The Waldo Typewriting Co. 1919