The second part of the discussion of embroidery history covers blackwork and Opus Anglicanum, then embroidery samplers and beetle-wing embroidery.
Research:

Behind the Scenes Minis: Piece of Work
17:48

E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
41:22

E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
35:28