P.S. Atiyah, The Rise and Fall of Freedom of Contract (Clarendon 1979)
C Mitchell and P Mitchell (eds), Landmark Cases in the Law of Contract (Hart 2008)
AWB Simpson, A History of the Common Law of Contract: the Rise of the Action of Assumpsit (1987)
SA Smith, Contract Theory (Clarendon 2004)
Textbooks
Atiyah, P.S. (2000). An Introduction to the Law of Contract. Clarendon.
Beatson, J.; Burrows, A.; Cartwright, J. (2010). Anson's Law of Contract (29 ed.). OUP.{{cite book}}: CS1 maint: multiple names: authors list (link)
Collins, H. (2003). Contract Law in Context (4 ed.). CUP.
Goode, R.; McKendrick, E. "3—4". Goode on Commercial Law (4 ed.). Penguin. pp. 69–176.{{cite book}}: CS1 maint: multiple names: authors list (link)
McKendrick, E. (2009). Contract Law (8 ed.). Palgrave.
Peel, E.; Treitel, G.H. (2011). Treated on the Law of Contract (13 ed.). Sweet and Maxwell.{{cite book}}: CS1 maint: multiple names: authors list (link)