This document lists and describes various works of conceptual art that reference or are based on previous works. It includes pieces by Sherrie Levine that reference Duchamp and Walker Evans, as well as works by other artists such as Damien Hirst that reference nature, death, and the human condition. Conceptual neo-conceptualism is exemplified through works that reference, reproduce, or are inspired by previous influential artists and art movements from modernism to pop art.