Several new articles have been added to the SPR's Online Encyclopedia:
'Ghosts and Apparitions in Psi Research (Overview)', by Peter Hallson:
http://psi-encyclopedia.spr.ac.uk/articles/ghosts-and-apparitions-psi-research-overview
'C J Ducasse', by Stephen E Braude:
http://psi-encyclopedia.spr.ac.uk/articles/cj-ducasse
'The Phenomena of Astral Projection (1951)', by Carlos S Alvarado:
http://psi-encyclopedia.spr.ac.uk/articles/phenomena-astral-projection-1951