https://ia600606.us.archive.org/32/items/artofletteringsi00b...
One thing I found interesting is the terminology around types were not serif and san-serif but roman style and egyptian style. roman is still sort of used this way but I had never heard the term egyptian to refer to san serif letter forms. I wonder when we lost it.
Wikipedia: https://en.wikipedia.org/wiki/Letter_case#Terminology
If you buy an old typecase at an antiques store in the US, 99% of the time it will be a California job case.