Marcel Duchamp's Fountain: How it went from the garbage heap to the top of the art pile
Marcel Duchamp Fountain Magnet - Philadelphia Museum Of Art
Fountain (Duchamp) - Wikipedia
Marcel Duchamp's "Fountain" Urinal May Have Been Created by Two Women - Untapped New York
Fountain (Duchamp) - Wikipedia
The Iconic Urinal & Work of Art, "Fountain," Wasn't Created by Marcel Duchamp But by the Pioneering Dada Artist Elsa von Freytag-Loringhoven | Open Culture