About Joy Oetelaar Bill Yeo has retired from his position as Senior Historian and Chief of Historical and Archaeological Research for Parks Canada. Books by Joy Oetelaar Cowboys, Ranchers and the Cattle Business Cross-Border Perspectives on Ranching History edited by Simon M. Evans contributions by Sarah Carter, Terry G. Jordan-Bychkov, Brain W. Dippie, Bill Yeo, Alan B. McCullough, Joy Oetelaar, Warren M. Elofson, Henry C. Klassen, Max Foran, Lorain Lounsberry & Richard W. Slatta