Kenneth H. Williams, "Johnson, Herschel Vespasian," American National Biography Online, February 2000, http://www.anb.org/articles/04/04-00570.html.
Johnson declined to seek a seat in the Provisional Congress but was pleased with its redesign of the Constitution and with the selection of Jefferson Davis and Alexander Stephens for the top positions in the new government...Johnson once again answered his state's call in November 1862, when the legislature…selected him to fill the Confederate Senate seat vacated by John W. Lewis. Johnson was elected to a full term the following autumn and served in the Confederate Congress for the remainder of the war. Although he differed with Davis "in several particulars," Johnson continued to support him and chastised Stephens and other Georgians for their open criticisms. As a legislator, Johnson's voting record was consistent with states' rights doctrine, opposing conscription, a supreme court, and suspension of the writ of habeas corpus.