Henthorne, M. E., & Griffin, S. (1932). The Irish Catholic colonization association of the United States: Its origin and development under the leadership of the Rt. Rev. John Lancaster Spalding, bishop of Peoria, president of the association, 1879-1892. The Twin City Printing Company.

Henthorne, Mary Evangela, and Stephen Griffin. The Irish Catholic Colonization Association of the United States: Its Origin and Development Under the Leadership of the Rt. Rev. John Lancaster Spalding, Bishop of Peoria, President of the Association, 1879-1892. The Twin City Printing Company, 1932.