Is there a viable nursery that specializes in historical irises and daylilies?

The Iris forum and Daylily forum will have lists but here are a few for irises.

http://www.bluebirdhavenirisga...

http://winterberryirises.com/

https://www.bluejiris.com/

Thanks for so much help. I was able to locate so many historical irises that fascinated me when I was a teenager and was trying my hand at hybridizing back in the late 1950's and 1960's. My favorites were intros from Lloyd Austin and Gordon Plough. I was able to find Plough's Butterscotch Kiss which was my favorite, but I couldn't afford it back then, so hopefully Bluebird Haven will still have it available along with Son of Star.