The visual below is available for free download in PDF format from this page.
Here are the links of the channels:
- Google Arts and Culture
- The National Geographic Kids
- Mr.Beat’s Social Studies Channel
- CrashCourse
- Smithsonian Education
- TED Ed
- That Was History
- AlternateHistoryHub
- KnowledgeHub
- RealLifeLore
- Second Thought
- News with Subtitles
- Geography Now
- Keith Hughes
- The Cynical Historian