Columbia subject headings:
Apologetics--Early works to 1800.
Apologetics--History--18th century.
Berkeley, George, 1685-1753. Alciphron.
Free thought--Controversial literature.
Language and languages--Philosophy.
Signs and symbols.
Vision.
Harvard subject headings:
Apologetics--Early works to 1800
Berkeley, George, 1685-1753. Alciphron.
Free thought--Controversial literature.
Language and languages--Philosophy
Signs and symbols.
Vision.
Princeton subject headings:
Apologetics--History--18th century.
Berkeley, George, 1685-1753. Alciphron.
Free thought--Controversial literature.
Language and languages--Philosophy.
Signs and symbols.
Vision.