1. Allen, Robert L. 1969. Black awakening in capitalist America: An analytic history. New York: Doubleday.
2. Adam, Barry D. 1995. The rise of a gay and lesbian movement. Revised edition. Social movements past and present series. New York: Twayne Publishers.
3. Altman, Dennis. 1986. AIDS in the mind of America. Garden City, New York: Anchor Press.
4. Anderson, Kevin. 1995. Lenin, Hegel, and Western Marxism. Chicago: University of Illinois Press.
5. Aral, S.O., and J.S. St. Lawrence. 2002. The ecology of sex work and drug use in Saratov Oblast, Russia. Sexually Transmitted Diseases 29(12): 798–805.