Vries, Theun de, 1907-, author
Cadans, 1992
Buku Teks
Reisel, Wanda, author
IT&FB, 2002
Buku Teks
Daum, P.A., author
Thomas and Eras, 1977
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Boomsma, Graa, author
In de Knipscheer, 1986
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Lampo, Hubert, author
A. Manteau, [Date of publication not identified]
Buku Teks