For several years, Pascal operated the JeepWillysWorld.com, a website he used to collect documentation and discuss vintage jeep topics. Around 2017, it appears he stopped posting. Fortunately for us, the site remains active, because in 2015 it turns out he posted a manual of Parts and Accessories Bulletins (through 1965 roughly), the very bulletins I was looking for a few days ago. You can read through the manual or download it as well.
Here’s the first page of the Emanuel: