"Necromancy: Communicating With The Dead":
https://ancient-forums.com/viewtopic.php?f=24&t=68183
"Séances: Summoning, Contacting and Communicating with Deceased Spirits":
https://satanisgod.org/www.angelfire.com/empire/serpentis666/NECROMANCY.html
"Ghosts":
https://satanisgod.org/www.angelfire.com/empire/serpentis666/Ghosts.html
"Death, Hell & the Afterlife":
https://satanslibrary.org/666BlackSun/Hell.html