Forgottenbooks
一个外文电子书网站，目前有1271515本书可供在线阅读
国外杂志下载，付费
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zulu-ebooks
德国电子书网站
OpenStax
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
青空文库
日文原版书
planetebook
100% Free eBooks for All Devices
Docero.tips
PDF和电子书共享社区
ebook3000.
ebook3000.com is the best free ebooks download library. It's the open directory for free ebooks and download links, and the best place to read ebooks and search free download ebooks.
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