O'Brian Jr., William E.. (2011) Confrontation and compulsory process : U.S. and European approaches compared. International Commentary on Evidence, Vol.9 (No.2). p. 4. ISSN 1554-4567

O'Brian, William E., Jr.. (2011) Confrontation and ongoing emergencies : Michigan v Bryant. The International Journal of Evidence & Proof, Vol.15 (No.4). pp. 357-360. ISSN 1365-7127

O'Brian, William E., Jr.. (2011) Distributive justice and the sovereignty principle. Oxford Journal of Legal Studies, Volume 31 (Number 1). pp. 1-21. ISSN 0143-6503

O'Brian Jr., William E.. (2011) Fresh expert evidence in CCRC cases. King's Law Journal, Vol.22 (No.1). pp. 1-26. ISSN 09615768

O'Brian, William E., Jr.. (2010) Equality in law and philosophy. Inquiry, Vol.53 (No.3). pp. 257-287. ISSN 1958

O'Brian Jr., William E. (2010) Confrontation : the defiance of the English courts. Working Paper. Coventry: Department of Law, University of Warwick. Warwick School of Law Research Paper Series (Number 2010/09).

O'Brian Jr., William E. (2010) Confrontation : the defiance of the English courts. Working Paper. Coventry: Department of Law, University of Warwick. Warwick School of Law Research Paper Series (Number 2010/09).

O'Brian Jr., William E. (2009) Distributive justice and the harm principle. Working Paper. Coventry: Department of Law, University of Warwick. Warwick School of Law Research Paper Series (Number 2009/05).