1.
 |  | Title: Discovering Britain. Erweiterter Englischunterricht, Klasse 5 und 6. (Lernmaterialien) by Ruth Arendt, Dimo Rischke, Sigurd Bartsch, Klaus-Peter Heil, Burchard Winkler ISBN: 3125801702 Publisher: Klett Schulbuch, Stgt. Pub. Date: 01 January, 1994
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2.
 |  | Title: Learning English, Red Line, ETA by Ruth Arendt, Gillian Bathmaker-Vollmer ISBN: 3125019907 Publisher: Klett Pub. Date: 01 January, 1999
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3.
 |  | Title: Learning English, Red Line, Tl.5, Pupil's Book, 5. Lehrjahr by Ruth Arendt, Werner Beile, Alice. Beile-Bowes ISBN: 3125840503 Publisher: Klett Pub. Date: 01 January, 2001
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4.
 |  | Title: Learning English, Red Line, Tl.4, Pupil's Book, 4. Lehrjahr by Ruth Arendt, Werner Beile, Alice Beile-Bowes ISBN: 3125840406 Publisher: Klett Pub. Date: 01 January, 1996
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5.
 |  | Title: ETA 5. by Ruth Arendt, Wulf M. Kuntze ISBN: 312501980X Publisher: Klett Pub. Date: 01 January, 1996
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6.
 |  | Title: Learning English, Red Line, Tl.6, Pupil's Book, 6. Lehrjahr by Ruth Arendt, Werner Beile, Alice Beile-Bowes ISBN: 3125840600 Publisher: Klett Pub. Date: 01 January, 1999
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7.
 |  | Title: Learning English, Orange Line, Tl.5, Schülerbuch (Erweiterungskurs), Klasse 9 by Walter Düringer, Udo Ritter, Reinhard Schulz, Ruth Arendt, Werner Beile, Alice Beile-Bowes ISBN: 312587520X Publisher: Klett Pub. Date: 01 January, 1996
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