Dippie, B. W. (1999). Charlie Russell roundup: Essays on America's favorite cowboy artist. Montana Historical Society Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDippie, Brian W. Charlie Russell Roundup: Essays on America's Favorite Cowboy Artist. Helena, Mont.: Montana Historical Society Press, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDippie, Brian W. Charlie Russell Roundup: Essays on America's Favorite Cowboy Artist. Montana Historical Society Press, 1999.
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