Columbia subject headings:
German Americans--Mississippi River Valley--History--19th century.
Irish Americans--Mississippi River Valley--History--19th century.
Mississippi River Valley--History--1803-1865.
Harvard subject headings:
German Americans--Mississippi River Valley--History--19th century.
Irish Americans--Mississippi River Valley--History--19th century.
Mississippi River Valley--History--1803-1865.
Princeton subject headings:
German Americans--Mississippi River Valley--History--19th century.
Irish Americans--Mississippi River Valley--History--19th century.
Mississippi River Valley--History--1803-1865.