Analysis of information sources in references of the Wikipedia article "William Pearce (civil engineer)" in English language version.
Detailed report upon all claims to land and right to participate in the North-West half-breed grant by settlers along the South Saskatchewan and vicinity west of range 26, W. 2nd meridian: Being the settlements commonly known as St. Louis de Langevin, St. Laurent or Batoche, and Duck LakePrinted by MacLean, Roger & Co.