https://www.dominiopublico.gov.br/ 

https://www.espirito.org.br/

https://www.universodeluz.net/

https://www.espacoespirita.net/links.php

https://www.scribd.com/

https://audioespirita.blogspot.com/search/label/Palestra

https://superdownloads.uol.com.br

https://cybercook.terra.com.br

https://www.antena1.com.br

https://livrosespiritasonline.blogspot.com/