1. Executive Clemency in Capital Cases;Abramowitz Elkan;New York University Law Review,1964
2. Merciful Justice: Lessons From 50 Years of New York Death Penalty Commutations
3. May God—or the Governor—Have Mercy: Executive Clemency and Executions in Modern Death-Penalty Systems;Acker James R.;Criminal Law Bulletin Boston,2000
4. Acts of Executive Clemency. California Governor’s Office. Sacramento, CA: California State Archives, 1949–2009.
5. The Pros and Cons of Life Without Parole