The laws of Nigeria, containing the ordinances of Nigeria, in force on the 1st day of January, 1923 : and the orders, proclamations, rules, regulations and bye-laws made thereunder, in force on the 1st day of May, 1923, and the principal imperial statutes, orders in Council, letters patent and royal instructions relating to Nigeria - Kingdon, Donald, 1883-1961 (Govt. Printer, 1923)