///Wikisource///
the free library that anyone can improve. (Over de 570 000 texts !)
https://en.wikisource.org/wiki/Main_Page
#wiki #education #books #library #educational #free #share #free_of_charge

///Wikibooks///
The open-content textbooks collection that anyone can edit.
https://en.wikibooks.org/wiki/Main_Page
#wiki #education #books #library #educational #free #share #free_of_charge