Zitkala-S̈a, Fabens, C. H., & Sniffen, M. K. (1924). Oklahoma's poor rich Indians: An orgy of graft and exploitation of the Five Civilized Tribes, legalized robbery : a report. Philadelphia, Pa.: Office of the Indian Rights Association.

Zitkala-S̈a, Charles H. Fabens, and Matthew K. Sniffen. Oklahoma's Poor Rich Indians: An Orgy of Graft and Exploitation of the Five Civilized Tribes, Legalized Robbery : A Report. Philadelphia, Pa.: Office of the Indian Rights Association, 1924.

Zitkala-S̈a, Charles H. Fabens, and Matthew K. Sniffen. Oklahoma's Poor Rich Indians: An Orgy of Graft and Exploitation of the Five Civilized Tribes, Legalized Robbery : A Report. Philadelphia, Pa.: Office of the Indian Rights Association, 1924.