1. Forensic Examination of Hair,1999
2. Strengthening Forensic Science in the United States;National Academy of Sciences,2009
3. President’s Council of Advisors on Science and Technology. 2016. Forensic Science in the Criminal Courts: Ensuring Scientific Validity of Feature-Comparison Methods.
4. Correlation of microscopic and mitochondrial DNA hair comparisons;Houck;J. Forensic Sci.,2002
5. Department of Justice Proposed Uniform Language for Testimony and Reports for the Forensic Hair Examination Discipline. https://www.justice.gov/archives/dag/file/877741/download.