Sources on John Wycliffe

Does anyone know of any good biographies or collections of writings having to do with the early English Church reformer, John Wycliffe? I’m having trouble finding something current or of good quality. The name is often spelt variously making searching more difficult, too.

Also, I’m looking not for simplistic, hagiographic church biographies, either, but something serious and historical.

There's John Wyclif by Stephen E Lacy and Brill's Companion to John Wyclif. I believe that those are the most recently published books that cover his life and thoughts.

For more, the Medieval Sources Bibliography page might be of use. https://medievalsourcesbibliography.org/authors.php?id=1044

Thank you, brone and komnene! I’ll be looking at the sources you’ve offered!

In 2027 I’ll be starting a long study of the English Reformation. It’s on my Reformation Era discussion. I’ve been reading about Machiavelli this year and last, but in January I’ll be finally digging into the Reformation.

Thanks again for your help!