Szabadon hozzáférhető

Voľne dostupné zdroje

https://zlatyfond.sme.sk

http://www.1000knih.sk/obchod/e-knihy-zadarmo-free-e-books

https://eknizky.sk/

https://www.rajknih.sk/index.php?id_cat=681&ct=1&ofs=1

https://pdfknihy.sk/zadarmo/

https://unibook.upjs.sk/sk/73-e-publikacie-volne-pristupne

http://texty.citanka.cz/

https://www.databazeknih.cz/eknihy-zdarma-ke-stazeni

https://www.mlp.cz/cz/katalog-on-line/eknihy/

https://publi.cz/epubli?free=1

http://archiv.ucl.cas.cz/

https://pdfknihy.maxzone.eu/

http://mek.oszk.hu

https://epa.oszk.hu/

http://www.literart.org.ro/elektronikus-koenyvek.html

https://library.hungaricana.hu/hu/

https://www.arcanum.hu/hu/online-kiadvanyok/

https://dtk.tankonyvtar.hu/

https://www.multimediaplaza.com/ekonyvek/szabadon_letoltheto

http://adamobooks.com/rovat-Ingyenes-36.html

https://www.papirontul.hu/e-konyv-adatbazis-1-0/

https://www.ebsco.com/products/research-databases/free-databases

https://www.doabooks.org/

https://www.gutenberg.org/

https://www.projekt-gutenberg.org/

https://www.hathitrust.org/

https://www.openbookpublishers.com/

https://freeditorial.com/

http://en.childrenslibrary.org/

https://manybooks.net/

https://www.bookrix.com/books;lang:all.html

https://www.bookrix.de/books.html

http://www.zeno.org/Literatur

https://www.ebook.de/de/category/61018/ebook_de_edition.html

https://www.ebook.de/de/category/59011/gratis_ebooks.html

https://kostenloslesen.com/

https://zulu-ebooks.com/

https://www.tuslibros.com/