John Quincy Adams (1969). “The diary of John Quincy Adams, 1794-1845: American diplomacy, and political, social, and intellectual life, from Washington to Polk”
"Angela Davis: 'There is an unbroken line of police violence in the US that takes us all the way back to the days of slavery" by Stuart Jeffries, www.theguardian.com. December 14, 2014.