Portnoy, Ethel
Genietingen essay
Meulenhoff, 1998
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Roek, Jan de
Verzamelde Essay
Pink Editions & Productions, 1980
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Hyde, Simeon
Composition of the essay
Addison-Wesley Publishing Company, Inc., 1967
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Karlgren, Bernhard
The Chinese language: an essay on its nature and history
Ronald Press, 1949
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Vandeputte, Omer
Bahasa Belanda
Yayasan Vlaanderen-Belanda, 1989
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