The mission as a frontier institution in the Spanish american colonies, by Herbert E. Bolton.

http://www.archive.org/details/missionasfrontie00boltrich

In the Ojibway country : a story of early missions on the Minnesota frontier

http://www.archive.org/details/inojibwaycountry00scheiala

The call of the waters; a study of the frontier, by Katharine R. Crowell ...

http://www.archive.org/details/callofwatersstud01crowrich

Catholic grievances in relation to the administration of Indian affairs : being a report presented to the Catholic Young Men's National Union, at its eighth annual convention, held in Boston, Massachusetts, May 10th and 11th, 1882

http://www.archive.org/details/catholicgrieva00mealrich

Canada's missionary congress; addresses delivered at the Canadian National Missionary Congress, held in Toronto, March 31 to April 4, 1909, with reports of committees.

http://www.archive.org/details/canadasmission00unknuoft/