1.
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Berlin : Gebrüder Paetel, 1896 (G. Bernstein)
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2.
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London ; New York : Routledge, 2013, c1986.
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3.
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Warendorf : Schnell, 1880.
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4.
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Leipzig : B.G. Teubner, 1909.
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5.
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Hamburg : Verlagsanstalt und Druckerei A.G. (vormals J.F. Richter), 1893.
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6.
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Chapel Hill : University of North Carolina, c2002.
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7.
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Chapel Hill : University of North Carolina, c2002.
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8.
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London ; Beverly Hills : Sage Publications, c1976.
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