nostr:npub16nefft85cck8cxq9jg55kft9636j04nzct4zz38asc4wg73hdfzqmethh0 At the bottom it says "Edith Kermit Roosevelt"...

She died in 1948 but this was written in 1962...

https://wikiless.org/wiki/Edith_Roosevelt?lang=en

I believe Carrol Quigly is quoting her

https://www.isgp-studies.com/pilgrims-society-us-uk