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The skill of brick and stone masons, carpenters, and painters employed on Works progress administration projects in seven cities in January, 1937
- "Efficiency of skilled workers on Works Progress Administration projects"@en
- "The skill of brick and stone masons, carpenters, and painters employed on Works progress administration projects in seven cities in January, 1937"@en
- "The skill of brick and stone masons, carpenters, and painters employed on Works Progress Administration projects in seven cities in January, 1937"@en