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21Subjects:
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22Subjects: “…sociale economie…”
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23
Date [1959?]
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24Collectie Vrijzinnige WerkmansbibliotheekSubjects:
Date 1952 -
25Subjects: “…sociale economie…”
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26
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27
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28
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29“… Studies van sociale economie…”
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30
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31
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32
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33Subjects: “…sociale economie…”
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34
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35Subjects: “…sociale economie…”
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36
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37Subjects:
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38Subjects:
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39Subjects: “…sociale economie…”
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40Subjects: “…sociale economie…”