Sol Prom. «Untitled» (Dancing School), from Harlem Document, 1936-40, 1938 enero 9, 2013 445 × 560 Dos visiones colectivas en el documentalismo social: La Farm Security Administration (FSA) y la Photo League Sol Prom. «Untitled» (Dancing School), from Harlem Document, 1936-40, 1938