Point is, from what we know, the WoB was created in different waves, Peshwah came relatively late, around 1975, and with new players that read the novels. :)

I think there is an index of HM articles somewhere, but, blimey, I don't remember.

-_-

I recall to have read this somewhere, though.

Did Pinnacle Books (Robert Adams' publisher) perhaps sport an in-house mag that could have published the stories beforehand?

In retrospect, Kevin Eastman & HM is indeed a far call.

His manuscripts are with the University of California, though, so this, for once, is not an impossible puzzle to solve if one got access to the archives there:

http://www.oac.cdlib.org/findaid/ark:/13030/c8vd708n/