Clear Ether! Vol.4 #1 1979-01 in SCAPA FLOW 1 and APA-NYU 43
Clear Ether! Vol.4 #2 1979-03 in SCAPA FLOW 2
Clear Ether! Vol.4 #3 1979-08 in APA-NYU 51
Clear Ether! Vol.4 #4 1979-09 in SCAPA FLOW 7
Clear Ether! Vol.4 #5 1980-07-08 in SCAPA FLOW 11
Volume 4 is the only one with have in full, without any gaps.