The 2017 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insuance and Federal Disability Insurance Trust Funds, 199.
400
Howard, The Rule of Nobody, 8.
401
Там же, 21.
402
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403
Michael Haines, ed., "Population Characteristics," in Population, vol. 1 of Historical Statistics of the United States: Millennial Edition, ed. Susan B. Carter et al. (New York: Cambridge University Press, 2006), 21.
