Columbia subject headings:
Harvard subject headings:
Becker, Carl L. (Carl Lotus), 1873-1945. Heavenly city of the eighteenth-century philosophers.
Eighteenth century.
History--Philosophy
Philosophy, Modern.
Princeton subject headings:
Becker, Carl Lotus, 1873-1945. The heavenly city of the eighteenth-century philosophers.
Eighteenth century.
History--Philosophy.
Philosophy, Modern.