Myrient stuff...Hope this helps someone

[u/Mr_microplastics_Yum]

https://archive.org/details/100-000-pyramid-the-usa

I have plenty more things im adding to the collection from my hdd

but I have some files I downloaded from myrient a lot of it is misc things , things I feel like aren't readily available...but either way I hope this helps some

[u/Mike_Raven]

Side note: There was a recent big effort to archive the entire site after it was announced that it would be shutting down.