Opinion in Reference to the Meaning of the 18th Clause of the British North America Act of 1867, encl. 3, no. 1, Earl of Kimberly to Early of Dufferin, June 17, 1873, no. 2, Secretary of State for the Colonies to the Governor General June 30, 1873, no. 3, Earl of Dufferin to Earl of Kimberly, Aug. 15, 1873, no. 4, all in Canadian Pacific Railway Correspondence, 4-5, 22-25.
