Kurz, R. F., Hewitt, J. N. B. 1., & Jarrell, M. (1937). Journal of Rudolph Friedrich Kurz: An account of his experiences among fur traders and American Indians on the Mississippi and the upper Missouri rivers during the years 1846 to 1852. Washington: U. S. Govt. Print. Off..

Kurz, Rudolph Friedrich, J. N. B. 1859-1937 Hewitt, and Myrtis Jarrell. Journal of Rudolph Friedrich Kurz: An Account of His Experiences Among Fur Traders and American Indians On the Mississippi and the Upper Missouri Rivers During the Years 1846 to 1852. Washington: U. S. Govt. Print. Off., 1937.

Kurz, Rudolph Friedrich, J. N. B. 1859-1937 Hewitt, and Myrtis Jarrell. Journal of Rudolph Friedrich Kurz: An Account of His Experiences Among Fur Traders and American Indians On the Mississippi and the Upper Missouri Rivers During the Years 1846 to 1852. Washington: U. S. Govt. Print. Off., 1937.