Other metadata errors reported include publication dates before the author's birth (e.g. 182 works by Charles Dickens prior to his birth in 1812); incorrect subject classifications (an edition of "Moby Dick" found under "computers", a biography of Mae West classified under "religion"), conflicting classifications (10 editions of Whitman's "Leaves of Grass" all classified as both "fiction" and "nonfiction"), incorrectly spelled titles, authors, and publishers ("Moby Dick: or the White "Wall""), and metadata for one book incorrectly appended to a completely different book (the metadata for an 1818 mathematical work leads to a 1963 romance novel).