Whitney Mauer. Indian Country Poverty: Place-Based Poverty on American
Indian Territories, 2006–10. [http://onlinelibrary.wiley.com.ccny-proxy1.libr.ccny.cuny.edu/doi/10.1111/ruso.12130/epdf] This reviewed article by a member of the Rural Sociological Society provides reliable information on place-based poverty in Indian Country, and the influence of federal Indian policy.
David Leonhardt, Amanda Cox, and Claire Cain Miller. “An Atlas of Upward Mobility
Shows Paths Out of Poverty” May 4, 2015. [https://www.nytimes.com/2015/05/04/upshot/an-atlas-of-upward-mobility-shows-paths-out-of-poverty-21866021] This article by New York Times reporters provides research analysis on the effects of environment on poverty. This analysis shows that low-income children whose parents moved to better place have higher incomes as adults.
Alexie, Sherman “The Absolutely True Diary of a Part-time Indian” September 2007.
A story of an aspiring cartoonist Junior who leaves his school on the Spokane Indian reservation to attend an all-white farm town school. This is the primary source for this