Ack. I can't believe I messed that up. He wrote an awesome book: "Probability Theory: The Logic of Science".
https://www.amazon.com/Probability-Theory-Science-T-Jaynes/d...
And there is a website with more information and a collection of his papers:
https://bayes.wustl.edu/
https://bayes.wustl.edu/etj/node1.html