Anderson, Ronald A.
Business law/Ronald A. Anderson, Walter A. Kumpf
South-Western Publishing Co., 1972
 Buku Teks
Anderson, Ronald A.
Business law/ Ronald A. Anderson and Walter A. Kumpf
South-Western Publishing Co, 1961
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Kim, Man Hee
Korean life: portrayed in genre pictures
Hyeonmsa, 2002
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Stowell, John
Walter Spies: a life in art
Afterhours Books, 2010
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Newby, Eric
Windjammer : pictures of life before the last grain race
Dutton, 1968
 Buku Teks SO