G. H. Treitel
The law of contract
Remedies for breach of contract
The law of contract
An outline of the law of contract
Frustration and force majeure
Treitel on The Law of Contract
Carver on Bills of Lading
Carver on bills of lading
Some Landmarks of Twentieth Century Contract Law
Carver on bills of lading
Unmöglichkeit, "impracticability" und "frustration" im anglo-amerikanischen Recht