Almfeldt, M.W., author
W.M.C. Brown, 1967
Buku Teks
Rising, James S., author
Brown, 1964
Buku Teks
Schneerer, William F., author
McGraw-Hill, 1967
Buku Teks
French, Thomas Ewing, 1871-1944, author
McGraw-Hill, 1978
Buku Teks
French, Thomas Ewing, 1871-1944
McGraw - Hill , 1960
Buku Teks