Re: 15th Missouri Infantry U. S.
Also, "The Swiss Regiment." For both nicknames and a brief profile see page 105, "Melting Pot Soldiers: the Union's Ethnic Regiments" by William L. Burton. See also, Charles A. Raeuber, "A Swiss Regiment in the American Civil War," published in vol. 13 of Swiss Review of World Affairs (1963), pages 11-14.