商业类搜索引擎及目录索引

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出版 Publishing：

AcqWeb's Directory of Publishers and Vendors - International directory of publishers and vendors Web sites and email addresses.

Publishers' Catalogue - Directory of publishers and catalogues.

Publishing Mall - Directory covering the publishing and communications industries.

Seekbooks.com - Search engine for book web sites.

World Wide Web Virtual Library: Publishers - Links to WWW pages relevant to publishers.