Strahorn, R. E. (1965). The resources of Montana territory and attractions of Yellowstone national park: Facts and experiences on the farming, stock raising, mining, lumbering, and other industries of Montana, and notes on the climate, scenery, game, fish, and mineral springs, with full and reliable data on routes, distances, rates of fare, expenses of living, wages, school and church privileges, society, means of acquiring homes, and other valuable and reliable information applicable to the wants of the capitalist, homeseeker, or tourist. Research Publications.

Strahorn, Robert E. The Resources of Montana Territory and Attractions of Yellowstone National Park: Facts and Experiences on the Farming, Stock Raising, Mining, Lumbering, and Other Industries of Montana, and Notes on the Climate, Scenery, Game, Fish, and Mineral Springs, with Full and Reliable Data on Routes, Distances, Rates of Fare, Expenses of Living, Wages, School and Church Privileges, Society, Means of Acquiring Homes, and Other Valuable and Reliable Information Applicable to the Wants of the Capitalist, Homeseeker, or Tourist. New Haven, Conn.: Research Publications, 1965.

Strahorn, Robert E. The Resources of Montana Territory and Attractions of Yellowstone National Park: Facts and Experiences on the Farming, Stock Raising, Mining, Lumbering, and Other Industries of Montana, and Notes on the Climate, Scenery, Game, Fish, and Mineral Springs, with Full and Reliable Data on Routes, Distances, Rates of Fare, Expenses of Living, Wages, School and Church Privileges, Society, Means of Acquiring Homes, and Other Valuable and Reliable Information Applicable to the Wants of the Capitalist, Homeseeker, or Tourist. Research Publications, 1965.