a) References Jean Delville's Treasures of Satan?
b) References Savlador Dali's Daddy Longlegs of the Evening - Hope!"? (to come)
c) Referenced in Chagall's Icarus (1975)?
d) See: Referenced in Spice Container for Dune (1975), by Chris Foss?
e) See: Referenced in HR Giger's Mordor IV (1975)?