“Legal Theory and the Claim of Authority”

The Duty to Obey the Law: Selected Philosophical Readings
1999

“Law’s Normative Claims”

The Autonomy of Law: Essays on Legal Positivism
1996

“Legal Theory and the Obligation of a Judge: The Hart/Dworkin Dispute”

Ronald Dworkin and Contemporary Jurisprudence
1984

“Taking Issues”

Ethics and the Environment
1983

“The Constitutional Framework of Environmental Law”

Federal Environmental Law
1974