No place: Committee for Marxist Direction, ca. 1947-48. 8vo. Wraps. Mimeographed. Unpaginated. 
According to the introduction the "following is an investigation into the nature of human labor under capitalist conditions. When Karl Marx wrote it in 1844, capitalism was just springing out in full bloom as a social system ... That bloom has withered long ago ... From now on all roads lead to communism"