https://www.pisai.it/media/302240/tesi-di-licenza-gen-2019.pdf
Tesi di Licenza PISAI
Tesi – Indice – Urbaniana
http://www.urbaniana.edu/Urbaniana/Biblioteca/Notizie/Tesi.aspx
Tesi (Spagna)
https://dialnet.unirioja.es/tesis
The American heritage book of english usage (inglese)
https://www.bartleby.com/topics/English-History-Essay
The Catholic Encyclopedia
http://www.newadvent.org/cathen/
The Classic Page at ad fontes accademy
http://www.thelatinlibrary.com/classics.html
The European library is now in Europeana
https://www.europeana.eu/it/TEL
The Global DTL ebook
https://digitaltheologicallibrary.us7.list-manage.com/track/click?u=9301955465f5a2b9d68a38f3a&id=295aafe47b&e=d7ffc6c43d
The Italian electronic classroom (italiano)
http://www.locuta.com/classroom.html
The Open Access DTL
http://oadtl.org/
