[firedev]

Thought there will be a link to the actual book or something, so we could compare their approach with the modern view.

[tlb]

English translation: https://www.amazon.com/Handbook-William-Carolingian-Medieval...

[shpx]

https://books.google.ca/books?id=2XJIdFtY9vAC&printsec=front...

It's 100 pages long.