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61
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62Subjects: “…URSS - Situación social…”
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63Subjects: “…[Russe, URSS, URSS, Bolchevisme, Russie]…”
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64Subjects: “…[1917-1921, URSS, ANARCHISME. URSS]…”
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65
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66
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67Subjects:TEXT
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68
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69Subjects: “…Industria - URSS…”
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70Subjects: “…Imperialismo - URSS…”
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71
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72Subjects: “…Antisemitismo - URSS…”
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73
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74
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75
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76
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77
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78Subjects: “…URSS - Política y gobierno…”
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79
TEXT -
80Subjects: “…[URSS]…”
TEXT