Books by Frederick Robertson Macaulay:
Books in the extended shelves:
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Macaulay, Frederick Robertson, 1882-: Income in the United States : its amount and distribution, 1909-1919 (National Bureau of Economic Research incorporated, 1921), also by National Bureau of Economic Research, Oswald Whitman Knauth, Willford Isbell King, and Wesley C. Mitchell (page images at HathiTrust)- Macaulay, Frederick Robertson, 1882-: The social sciences and the unknown future (National Bureau of Economic Research, 1938) (page images at HathiTrust)
Find more by Frederick Robertson Macaulay at your library, or elsewhere.