Columbia subject headings:
Harvard subject headings:
Danish poetry--19th century--History and criticism.
Danish poetry--20th century--History and criticism.
Emigration and immigration in literature.
Songs, Danish--History and criticism.
United States--In literature.
Princeton subject headings:
Danish poetry--19th century--History and criticism.
Danish poetry--20th century--History and criticism.
Emigration and immigration in literature.
Songs, Danish--United States--History and criticism.
United States--In literature.