Anhalt Emigration and Immigration
The Family History Library collection contains a volume about mercenary troops from Anhalt-Zerbst who served with the British forces during the American Revolution some of whom stayed in America. The book was written by Virginia Easly De Marce and is available under number 973 W2smn no. 19 on the US/CAN floor of the Family History Library.
There is an article by K.W. Küber: Auswanderer aus Anhalt und den preußischen Regierungsbezirken Magdeburg und Merseburg 1850-1852, page 337 in the periodical Mitteldeutsche Familienkunde Band III, 11-13 Jahrgang, 1970-72 at the Family History Library, International Floor, call number