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Public Papers of the Presidents of the United States in XML - Obama 2010
The Public Papers of the Presidents, which is compiled and published by the Office of the Federal Register, National Archives and Records Administration, began in 1957 in... -
The Panel Study of Income Dynamics (PSID)
The Panel Study of Income Dynamics (PSID) began in 1968 with a nationally representative sample of over 18,000 individuals living in 5,000 families in the United States....