http://backdoorbroadcasting.net/2009/09/meg-harris-williams-the-growing-germ-of-thought-the-influence-on-bion-of-the-romantic-poets/
http://www.artlit.info/
https://www.youtube.com/watch?v=vqwRNSRqf9Q (now, this is a disappointment, apparently, you need pink floyd to do this one)
"To prevent someone who KNOWS from filling the empty space".
When Robert Caper asked Bion to define O, he answered: ' ... everything we know nothing about" (personal communication). (Of Things Invisible to the Mortal Sight: Celebrating the Work of James S. Grotstein, ed. by Annie Reiner, 2016, kindle location 4676/5693)