> For the complete documentation index, see [llms.txt](https://kb.heathen.group/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.heathen.group/old-kb/codex/irish/research/wip/sources.md).

# Sources

  

* the medieval cultures of the irish sea and the north sea: manannan and his neighbors
* the sacred isle: belief and religion in pre-christian ireland
* Lebor Gabála Érenn - book of invasions
* the irish epic tain bo cuailnge (tain bo cuailnge is set in the ulster cycle)