Dupes and Fellow Travelers (1949)
books.google.com
books.google.com
and in germany: https://en.wikipedia.org/wiki/Federal_Intelligence_Service#H...
Good thing we live in the age of the internet, so We (at nearly all socioeconomic statuses) can correspond with Them (idem), and discover to what extent we differ or share similarities.
(What strikes me most about looking at old soviet and central asian stuff is how fashion really was global: 50's, 60's, 70's, 80's are readily identifiable by clothing and hairstyles. No matter which side of the iron curtain one may have been on, we all looked silly to today's eyes. E.g., the leg warmers in https://www.youtube.com/watch?v=9UuGZXnEXCY&t=493 )
Highly recommend looking into the institute of Pacific Relations (IPR) our of Hawaii. Basically a group of outsiders conned one of the Rockefeller's into funding it throughout that time and even through the depression.
https://www.amazon.com/Red-Channels-Primary-Sources-Publishi...