https://www.natgeokids.com/uk/discover/geography/physical-geography/volcano-facts/
https://www.activewild.com/famous-volcanoes/
https://www.volcanoes.org.uk/famous-volcanoes/
https://environment.org/famous-volcanoes-list-of-volcanic-eruptions-with-pictures-facts/
https://www.discoverwalks.com/blog/history/ten-most-famous-volcanoes-in-the-world/
californiamissionsfoundation.org/the-california-missions/
californiamissionguide.com/mission-guide/
http://www.californias-missions.org/index.html
www.californias-missions.org/index.html
blogs.chapman.edu/huell-howser-archives/category/california-missions/
Specific Mission Websites
Many missions have their own websites, you are more than welcome to use these.
Public Library Books
Your local public libraries will have grade appropriate books that may be used.