The Leslie Flint Educational Trust There is no source of information on the afterlife that is more reliable than this although other sources may be equally reliable.
The old site at archive.org may be working better...
If the link doesn't work, try the
Ghost Circle Ebooks
The International Survivalist Society
The Spirit Archive
The International Association for the Preservation of Spiritualist and Occult Periodicals
Spiritualists' National Union
The W. T. Stead Resource Site
Uri Geller's Web Site
Be sure to look at the comment sections in these blogs.
Several have very vibrant discussion communities.
Michael Tymn's Blog
Articles about posts on these blogs at "Life in B Flat".