Circuit Cellar was a national magazine exploring microcomputers, chips, interfaces, etc.
Circuit Cellar circa 1990 about 20 issues
Circuit Cellar combo journal couple of them
The Computer Hobbyist Group - North Texas￼ was the original SIG in this area from which many others sprang￼ it coming from the ham radio crowd if memory serves. Unlike Calif groups it did not tightly organize off-shoots and thus dwindled when hardware was superseded.
About 3 dozen newsletters Printed Circuit
The CHG-NT Pills folded into the North Texas PC User Group as the PC began to dominate with little hardware interest.
About 3 dozen copies of the monthly newsletter
Have to be picked up near White Rock Lake dam as I can’t easily get to DMS