Columbia subject headings:
Harvard subject headings:
Catholic Church--Doctrines.
Foscolo, Ugo, 1778-1827.
Gioja, Melchiorre, 1767-1829.
Happiness
Philosophy, Italian--19th century.
Romagnosi, Giandomenico, 1761-1835.
Princeton subject headings:
Foscolo, Ugo, 1778-1827--Criticism and interpretation.
Gioja, Melchiorre, 1767-1829.
Joy.