New York: New York Labor News Company, n.d. . First Edition. Essays on the class struggle by the prolific Arnold Petersen and Daniel De Leon of the Socialist Labor Party. A defense of their radical vision of Marxism, with frequent attacks on the more moderate Socialist Party, which they consider anti-Marxist. Frontispiece depicts Karl Marx. Three further illustrations. Item #1496
8vo (9 inches / 230 mm tall), 30,  pages in stapled wrappers. Vertical fold throughout, wrappers soiled, a few pages with narrow folds along the outside page edges. Pages unmarked. Good only.