Scope and Contents From the Series: The items in this section are from Dr. Hansen's personal collection along with Dr. Hansen's correspondence with Helen Foster Snow. Dr. Hansen became acquainted with Helen Foster Snow in 1988 while conducting research on worker cooperatives and their value as a means of job creation and economic development in developing countries. In the course of their friendship, Helen gave him materials on worker cooperatives in China, including typescripts and other published materials, and corresponded...