As of 1999, ten volumes of literary criticism and forty dissertations had been written about her work: she was referred to by scholar Donna White as a "major figure in American letters".
Sampai 1999, sepuluh jilid kritik sastra dan dan empat puluh disertasi telah ditulis mengenai karyanya: Cendekiawan Donna White menyebut Ursula sebagai tokoh penting sastra Amerika.