The original 1808 German title page of Goethe's play read simply: "Faust. / Eine Tragödie" ("Faust. / A Tragedy"). The addition of "erster Teil" (in English, "Part One") was retroactively applied by publishers when the sequel was published in 1832 with a title page which read: "Faust. / Der Tragödie zweiter Teil" ("Faust. / The Tragedy's Second Part").
The two plays have been published in English under a number of titles, and are usually referred to as Faust, Parts One and Two.