edited Kenneth F. Wallis
An Elgar Collection , 1994
Buku Teks
Damask, A.C., author
Academic Press, 1981
Buku Teks
Jesse, Kenneth E., author
Harcourt Brace Jovanovich, 1987
Buku Teks
Loing, A.J.L., author
Ichtiar, 1978
Buku Teks
Carnap, Rudolf, author
Harvard University Press, 1946
Buku Teks