關於「Dewey Decimal Classification Online」標籤，搜尋引擎有相關的訊息討論：

Dewey Decimal System – A Guide to Call Numberswww.library.illinois.edu › infosci › research › guides › de...WebDewey - OCLCwww.oclc.org › dewey › webdeweyDewey Decimal Classification - Wikipediaen.wikipedia.org › wiki › Dewey_Decimal_ClassificationWebsite Links by Dewey Decimal