hi taking a break from the "copy paste" dance. i found this website for you
http://www.familytreecircles.com/surname_ADAMS.html
from what i can tell it is a free site with a link to declaire yourself as an Adams reseacher. i hope it helps.
Not sure if this will help, but I found this online from 1998:
To Denis Adams & others seeking information concering the magazine ADAMS ADDENDA. The magazine is still in buisness and information is available at the following address Adams Addenda C/O Eugene S (Gene) Adams 3335 pinehill Dr Decatur, Ga 30032-2905 gene.adams@worldnet.att.net Gene Adams