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Race and nature from transcendentalism to the Harlem Renaissance
Outka, Paul, (2008)
Studies in African American leadership : individuals, movements, and committees
Okafor, Victor Oguejiofor, (2006)
Race relations in the United States, 1960 - 1980
Upchurch, Thomas Adams, (2008)
In memorium: Robert W. Fogel
Costa, Dora L., (2013)
The escape from hunger and premature death, 1700 - 2100 : Europe, America, and the Third World
Fogel, Robert William, (2004)
Technophysio evolution and the measurement of economic growth