World Marxist Review Publishers

Sources

• Hall-Hoag Collection of Dissenting and Extremist Printed Propaganda
• Wikipedia: http://en.wikipedia.org/wiki/Problems_of_Peace_and_Socialism
• Web: http://www.worldcat.org/title/world-marxist-review/oclc/1770166
• DbPedia: http://dbpedia.org/page/Problems_of_Peace_and_Socialism