Columbia subject headings:
Harvard subject headings:
Palatinate (Germany)--Emigration and immigration--History--18th century.
Palatinate (Germany)--Emigration and immigration--History--19th century.
Palatines--United States--History--Correspondence.
Saarpfalz (Germany)--Emigration and immigration--History--18th century.
Saarpfalz (Germany)--Emigration and immigration--History--19th century.
United States--Emigration and immigration--History--18th century.
United States--Emigration and immigration--History--19th century.
Princeton subject headings:
Germans--United States--Correspondence.
Immigrants--United States--Correspondence.
Palatinate (Germany)--Emigration and immigration--History--Sources.