Minife, James M., author
McClelland and Stewart Limited, 1964
Buku Teks
Jamieson, Stuart
Cornell University Press , 1957
Buku Teks
Herbert, Walter B
Fitzhenry ,
Buku Teks
Herbert, Walter B., author
Best Printing, 1928
Buku Teks
McKercher, Asa, author
Oxford University Press, 2016
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