Naveront, Jhon K., author
Golden Terayon Press, 1999
Buku Teks
Naveront, John K.
Golden Terayon Press, 1995
Buku Teks
Schwartz, Harry, author
Atheneum, 1966
Buku Teks
Schwartz, Harry, author
Atheneum, 1966
Buku Teks
Wenley, A.G., author
Smithsonian Institution, 1944
Buku Teks