Here is an easier to read, downloadable .pdf file of the book written in 1946(1944). Read the Intro and Conclusion if nothing else:
https://www.1215.org/lawnotes/misc/the-empire-of-the-city.pdf
" in effect that the real reasons for going to war in 1917 have never been admitted. Many people realize that this mystifying situation, in which an alleged democratic and self-governing nation is actually controlled against the will of the people in its foreign affairs, is a clear indication that there must be a very powerful and well-financed secret organization which plans and directs American foreign affairs, and for lack of a more specific identification this suspected secret organization is popularly referred to as the International Financiers.
When the propaganda mills began their characteristic grind towards war in the early 1930's, the writer began a more definite study of international power politics, and soon found it an entrancing and revealing subject. There was, however, no more free speech; and the most amazing documented aspects of a vast secret world order of International Finance could find no hearing in a situation where some Congressmen denounced overwhelming Nationalist expression of views in their mail as mere organized subversion."
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Good find. Very interesting.
...and - has anyone ever figured out who the mysterious 'Colonel House' was in the Woodnhead Wilson Administration?