Category
Tech stack
AI readiness
AI training policy
allowed
Terms of Service
found · https://substack.com/tos
AI-bot protection
AI files
llms.txt ai.txt humans.txt robots.txt
Compliance (GEO / GDPR)
TLD
Overview
Title
Letters of Note | Shaun Usher | Substack
Description
Nothing but history's most interesting letters. Click to read Letters of Note, by Shaun Usher, a Substack publication.
Final URL
Language
en (html)
Scanned at
2026-06-24 04:28:18