http://www.legislation.gov.uk/ukpga/Vict/30-31/3/schedule/1/paragraph/12/enactedBritish North America Act 1867UK ParliamentKing's Printer of Acts of Parliament2021-05-14THE FIRST SCHEDULEElectoral Districts of OntarioPART AEXISTING ELECTORAL DIVISIONSRIDINGS OF COUNTIES12North Riding of Leeds and North Riding of Grenville.