21
by Wyrwa, Andrzej Marek
Published in Cîteaux (1992)
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22
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24
25
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26
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28
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29
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31
by Doktor, Jan
Published in Acta Polonica Historica (1997)
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32
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35
by Schwartz, Daniel R.
Published in Concilium medii aevi (2015)
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36
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37
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38
by Beare, Robert L.
Published in Modern Language Notes (1971)
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39
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40
by Roesler, Jörg
Published in GDR Monitor (1991)
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