The straw bale course list at http://naturalhomes.org/learning-straw.htm
has been updated with quite a few new courses in Europe.
If you look in the section ‘wall’ you will find courses on Lime and
Clay. The second of the straw bale profiles is at http://naturalhomes.org/straw-wales-teifi.htm,Rachel Whitehead’s
house in Wales with a link to her website.