1. Arnould on the Law of Marine Insurance and Average (12th ed., 1939) Vol. 1, 163 el seq.
2. Goff and Jones , The Law of Restitution (2nd ed., 1978). 244
3. Chalmers on Bills of Exchange (13th ed., 1964), 129.
4. In re Anglo-Greek Steam Navigation & Trading Co. Caralli & Haggard's Claim (1869)
5. Powell . The Law of Agency (1952), 223 note 2