In case anyone is not aware, a lot of the Circuit Cellar magazines are
posted online in digitized format at:
http://archive.org/details/magazine_rack
Also of interest is 73 Magazine back in the late 70's and early 80's as
there are a number of good articles on the early computers (Kim1, etc.)
The only unfortunate thing is they are scans so you can't cut and paste
from the articles except as images.