I found the full text here: http://www.naturalthinker.net/trl/texts/Science/Jaynes,%20E.%20T.%20-%20Probability%20Theory%20-%20The%20Logic%20Of%20Science.pdf h

I found the full text here: http://www.naturalthinker.net/trl/texts/Science/Jaynes,%20E.%20T.%20-%20Probability%20Theory%20-%20The%20Logic%20Of%20Science.pdf http://www.naturalthinker.net/trl/texts/Science/Jaynes,%20E.... The first couple pages are a bit funny looking, but after that, there are all 500+ pages. It was the fourth result on Google for me.