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中图分类法:
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K15 版次： |
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著者:
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Beal, George. |
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题名:
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20th century timeline / / , |
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其它题名:
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Twentieth century timeline |
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载体形态:
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237 pages : illustrations (some color), color maps, portraits (some color) ; 21 cm |
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主题词:
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Civilization, Modern 20th century |
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主要责任者:
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Grisewood, John. Grisewood, John. |