(1)
12th Legislature, Provisional Session - Election contest resolved in Spencer's favor on 2/15/1870, pp. 25-26. Spencer qualified and took his seat on 2/22/1870, p. 51.
House Journal . February 15, 1870 February 22, 1870
(2)
12th Legislature, 1st C.S. - Spencer qualified and took his seat on 5/9/1870, p. 83.
House Journal .
(3)
Party affiliation, Radical.
Texas Almanac for . . . and Emigrant's Guide to Texas .