Fotini Pallikari has published a paper on the Academia.edu website discussing a survival test by Angelos Tanagras in which the SPR participated:
'Abstract: This article describes the experiment devised in 1933 by Angelos Tanagras (1875-1971), president of the Hellenic Society for Psychophysiology (1923-1957), to directly test the possibility of communication between the dead and the living. Tanagras requested in his intended experiment the participation of the British Society for Psychical Research, of which he was a member.'
The paper can be found here:
https://www.academia.edu/33382545/Angelos_Tanagras_Testing_the_survival_of_soul_beyond_death