found: NUCMC data from Tulane Univ. Lib. (New Orleans, La.) for Stibbs family. Papers, 1819-1975(includes material about attitudes towards the Copperheads)
found: LC data base, 9/20/93:under heading Copperhead (Nickname) (Copperheads, Copperhead movement)
found: Hurwitz, H.L. An encyc. dict. of Am. hist., c1968:p. 86 (Butternuts: used as a term of contempt to describe the "Peace Democrats" in the North during the Civil War; more commonly known as Copperheads)
found: Dict. of Am. hist., c1976:v. 2, p. 222 (Copperheads: during the Civil War, described Democrats opposed to the war policy of President Abraham Lincoln; sometimes known as Butternuts or Peace Democrats)
found: Random House(Copperheadism)
found: Am. heritage(Copperhead)
found: Britannica Micro.(Copperhead movement)
