Columbia subject headings:
Ferguson, Samuel, 1810-1886--Criticism and interpretation.
Ireland--Civilization--19th century.
Harvard subject headings:
Ferguson, Samuel, 1810-1886--Criticism and interpretation.
Ferguson, Samuel, 1810-1886.
Ireland--Civilization--19th century.
Ireland--In literature.
Princeton subject headings:
Authors, Irish--19th century--Biography.
Ferguson, Samuel, 1810-1886.
Ireland--Civilization--19th century.