...aaaand the last one:
If anyone want to look at the rest of the 1498 TBIs with blue(ish) beards, just use the
'Search by characteristics' option in the iris database, choose TBI and write 'blue' in the box under 'Beards'
- most of you know this already, I'm sure, but I only found this useful feature, because someone else mentioned it - with detailed instructions, so just trying to pass it on.