New York: National Executive Committee Socialist Labor Party, [n.d., ca. 1910]. First Edition. Pamphlet discussing the fundamental differences between May Day and American Labor Day - the former being a holiday created by workingmen themselves, and the latter being "a gift" to the working class from capitalist politicians. Reinstein was a bomb-maker-cum-pharmacist, later becoming secretary to Vladimir Lenin. Not in EGBERT. Smaller format state. 12mo (18.m); staplebound printed self-wrappers; 32pp. Trifle dusty along the edges, else Near Fine.