I've seen some of the same flyers and catalogs online at The Arcade Flyer Archive, a truly magnificent resource for those who fondly look back at the glory days of video arcades in America, Asia, and elsewhere.
I have scanned the flyers and catalog that I didn't see on that archive, as well as the folder/brochure they came in [the scanner bed was smaller than the folder, so some of the images are slightly cut off]. I hope to submit these images to that site.
Speaking of old software publications, I recently read about Jason Scott's project of scanning in old computer ads, brochures, flyers, etc. Scott also produced a highly acclaimed documentary about the BBS scene. I got into BBSes pretty late, but in Korea in 1993, English-language BBSes were the closest thing a kid like me had to the internet (by 1994, I was using the internet at Cornell).
All of this scanning, archiving, and documentation of geek history reminds me of what William Gibson said: