New York: Solidaridad [Solidarity], N.d. [ca 1935]. First Edition Thus. Spanish-language edition of MacDonald's Unemployment and the Machine [MILES 4312]. The English-language version first appeared in 1923; the present edition appears to be rather later, probably ca. mid-1930s. Octavo (23cm). Staple-bound pamphlet. Original pictorial wrappers; 103pp. Minor chipping to wrapper edges, with old clear tape repairs, else Very Good.