In 2014, work started on the Psi Encyclopedia, a free-access online encyclopedia of psychical research. The resource currently includes over a hundred articles - new items are being added. It's intended that the core areas of the Society’s research will have been comprehensively covered by 2020.
Here's a selection of articles:
General
American Society for Psychical Research
Altered States of Consciousness and Psi
Anthropology and Psychical Research
Eminent People Interested in Psi
Mediumship and Possession (Cross-Cultural Overview)
Society for Psychical Research
ESP and Psychokinesis
Mediums and Psychics
Past Life Memories
Children Who Remember a Previous Life (List)