Mahaffy & Dodson's Road Traffic Acts and Orders. Being a second edition of Mahaffy and Dodson's Road Traffic Act, 1930; Mahaffy and Dodson's Rules and Orders under the Road Traffic Act, 1930; Mahaffy and Dodson's Road and Rail Traffic Law, 1934 /
Mahaffy, Robert Pentland.
Dodson, Gerald,Sir.
London, 
1936.
Joint authors: Robert Pentland Mahaffy and Sir Gerald Dodson.
With supplements.