Home › Authors › Peter Birks 👤 Peter Birks b. 1941 – d. 2004 · 5 books Books by Peter Birks Structure and justification in private law 2008 The Foundations of Unjust Enrichment 2003 The Classification of Obligations 1998 The implementation of private The implementation of private law conventions in English law 1992 An introduction to the law of restitution 1985