Benns, Lee F., author
Appleton-Century-Crofts, 1955
Buku Teks
Weber, Alfred, 1868-1958, author
Kegan Paul, 1947
Buku Teks
edited by Alexander Baltzly, A. William Salomone
Appleton-Century-Crofts, 1950
Buku Teks
edited by Charles K. Warner
Macmillan, 1966
Buku Teks
edited by Charles K. Warner
Macmillan, 1966
Buku Teks