This primary source comes from the Records of the Bureau of the Census.
Full Citation: Tulsa County Enumeration District Map; Enumeration District Maps - Oklahoma - Tulsa County; Enumeration District and Related Maps, 1880–1990; Records of the Bureau of the Census, Record Group 29; National Archives Building, Washington, DC. [Online Version, https://www.docsteach.org/documents/document/tulsa-county-enumeration-districts-map, May 8, 2024]