Weaver was a director for Arkansas participation in a world's fair and was appointed a negotiator with the Utes in Colorado[4] He was listed as of Rally Hill when reported to have been appointed a commissioner for Arkansas' participation in the Trans-Mississippi Exposition in 1898.[5] His photograph is included in a composite of Arkansas state senators in 1881[6] and 1885.[7] He chaired the Arkansas Senate committee on counties and county lines.[8] Members of the Arkansas Senate elected him president of the body in 1885.[9] He was a federal official in 1889 involved in producing a treaty with the Utes of Colorado.[10]
^"Maj. R. B. Weaver". Arkansas Democrat. 1900-12-03. p. 1. Retrieved 2024-01-05.
^A Reminiscent History of the Ozark Region: comprising a condensed general history, a brief descriptive history of each county, and numerous biographical sketches of prominent citizens of such counties. Chicago: Goodspeed Brothers Publishers (1894)