Collins, James, author
The Bruce Publishing Company, 1954
Buku Teks
Choi, Min-hong, author
Seong Moon Sa, 1978
Buku Teks
Mayer, Frederick, author
American Book Company, 1951
Buku Teks
Mayer, Frederick, author
American Book Company, 1951
Buku Klasik
edited by Charles K. Warner
Macmillan, 1966
Buku Teks