Friedman, Leon, and Fred L. Israel, eds. 1995. The Justices of the United States Supreme Court, 1789–1969: Their Lives and Major Opinions. New York: Chelsea House.
"Horace Gray." 1992. The Supreme Court of the United States: Its Beginnings and Its Justices, 1790–1991. Washington, D.C.: Commission of the Bicentennial of the U.S. Constitution, Library of Congress.
Library of Congress. 1981. Memorials of the Justices of the Supreme Court of the United States. Vol. 2. Littleton, Colo.: Rothman.
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