edited by Roy Harvey Pearce
Prentice-Hall, 1962
Buku Teks
Macaulay, T.B. (Thomas Babington)
Aldine-House, 1951
Buku Teks
Perrow, Charles
Scott, Foresman and Compant, 1978
Buku Teks
Carlyle, Thomas
Chapman & Hall, [Date of publication not identified]
Koleksi Publik
edited by Harry Berger
Prentice-Hall, 1968
Buku Teks