Records and by-laws of the District of Wellington, the County of Waterloo, the United Counties of Wellington, Waterloo and Grey, the United Counties of Wellington and Grey and the County of Wellington : from the date of the first meeting of said District Council, held in Guelph in 1842, until the end of the December session of the Wellington County Council, held in Guelph, in December 1921, in so far as the meetings of said Councils were held within the limits of the County of Wellington.