為 Periodicals Index Online 之全文版，涵蓋年代 1873-2000 年，收錄 547 種期刊，共計約 1217 萬頁以上。
Periodicals Index Online is the text version of covering the years 1873-2000, the collection of 547 kinds of journals, totaling more than approximately 12,170,000.
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Periodicals Archive Online (PAO)【HUSO】
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