Original: His well-known works include the Apocalypse woodcuts, Knight, Death, and the Devil (1513), Saint Jerome in his Study (1514) and Melencolia I  (1514), which has been the subject of extensive analysis and interpretation.
Simplified: Dürer's best known individual engravings (that is, ones that are not part of a series) include Knight, Death, and the Devil (1513), Saint Jerome in his Study (1514) and Melencolia I (1514).