Woods, A.E., author
The Avi Publishing, 1977
Buku Teks
Hamblin, W. Kenneth (William Kenneth), 1928-, author
Burgen Publishing, 1967
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Stetler, David A.
"Minneapolis Burgess, 1974",
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Zumberge, James H., author
W.M.C. Brown, 1967
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Shellhammer, H. S., author
The National Press, 1965
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