Kane, G. The Methodological Quality of Three Foundational Law Enforcement Drug Influence Evaluation Validation Studies. Journal of Negative Results in BioMedicine 2013, 12:16. doi:10.1186/1477-5751-12-16, 4 November 2013.

Bigelow, G. E., et al. Identifying Types of Drug Intoxication: Laboratory Evaluation of a Subject-Examination Procedure. DOT HS 806 753, NHTSA, 1985. Aka the Johns Hopkins DIE validation study

Compton, R.P. Field Evaluation of the Los Angeles Police Department Drug Detection Program, Report number DOT HS 807 012, Office of Driver and Pedestrian Research, NHTSA, 1986; aka, the LAPD 173 NHTSA Technical Report

Adler, E., Burns, M. Drug Recognition Expert (DIE) Validation Study; Final Report to Governor's Office of Highway Safety State of Arizona, AZ DOT,1994. Aka the Arizona DIE validation study

Dr. Jack Richman's deposition in the Vermont civil case Sukoc v Carlson.

Dr. Richman, the police / defense expert in this civil case, was for many years the "medical expert" of the International Association of Chiefs of Police's Drug Evaluation and Classification Program's Technical Advisory Panel. The DECP TAP is said to keep police Drug Recognition Expert training up to date in accordance with the world's scientific literature.