It looks as if all the information is in there, though it all seems a lot more complicated than the chart I lost. Still, it is quite complicated in itself.

Thanks Murray, that's going to be very handy. Now I can start restringing that balalaika for playing Irish music...

And digging around in that site there's some other fascinating stuff - for example a page with links to lots of graphic pictures of "pets" - the pets concerned being giant spiders and so forth... For example, this little beauty.