Analysis of information sources in references of the Wikipedia article "Holdenville, Oklahoma" in English language version.
In speaking of his trip Mr. Collins said: '…I ran across three towns in the Indian Territory in which negroes are not allowed to live, and they are Holdenville, Norman and Blackmore. In Holdenville there is one negro, and he is cooking at one of the hotels, but there is talk of compelling him to leave. In the three towns mensioned no negro can either rent a house or buy land. …'
Now in Durant and other towns in the Central District, and for that matter, in Holdenville, Ada and other towns in the territory notices had been posted for the Negroes not to let the sun go down on them in said towns.