Here's a somewhat hagiographic but generally accurate work on the American origin of all present "European" institutions:
http://www.amazon.com/Atlantic-Century-Generations-Extraordi...
TL;DR: all "European" institutions were designed and remain supervised by EUR at State. This should only surprise people who think the Warsaw Pact was in some sense Polish.
Here's a somewhat hagiographic but generally accurate work on the American origin of all present "European" institutions:
http://www.amazon.com/Atlantic-Century-Generations-Extraordi...
TL;DR: all "European" institutions were designed and remain supervised by EUR at State. This should only surprise people who think the Warsaw Pact was in some sense Polish.