Below are some links I hope you will find useful if completing research on the Cornish Language. 

Many other sources are available and can be found by completing an internet search via your search engine, and those listed are merely meant as examples of some of those;

(Any questions or comments in respect of the information contained in these links should be referred to the publisher of that information)

Kevren Campoll / Reference links

Skeul an Tavas - Acedemic

Conversational Phrases - Skeul an Tavas

500 Most Useful Words -Skeul an Tavas

Cornish Today - Nicholas Williams

History of Kernowek Standard

Celtic Life International - History of The Cornish Language

Papers on Cornwall - Ken MacKinnon

History of the Cornish Language –

Cornish Language Fellowship –

History of Cornwall -

Yn Mor