| netwerknde.nl | Netwerk NDE ( Nabij-de-Dood Ervaring) |
| www.bijnadoodervaring.be | Website van IANDS Flanders / Limen VZW |
| nderf.org | Near-Death Experience Research Foundation |
| IANDS.org | Website van The International Association of Near-Death Studies in de VS |
| www.kiath.de/en-gb/home | Kiel Academy of Thantology Prof. Dr. Enno Edzard Popkes |
