He specifically references the last page of the last issue, and concludes his commencement speech with its words "Stay hungry. Stay foolish." [1]

Pretty nice to see it context, next to all the other editions.

> I wonder what obscure (probably online?) source of information of today we'll be comparing to the mainstream sources of tomorrow.

Maybe this very website will be among them?

[1] https://wholeearth.info/p/whole-earth-epilog-october-1974?fo...

Probably books like the Imponderables and Uncle John's Bathroom Reader series. It wasn't always the most accurate, but they at least made an effort.

I have a book which lists companies which sent out mail order catalogs back in the 70s --- I'm pretty sure it was listed in a Whole Earth Catalog (might even have been published by them).